E:\2021\NERS AGUSTUS\16--jurnal 234 Jurnal Ners dan Kebidanan, Volume 8, Issue 2, August 2021, page 234–241 The Timeliness of Baby’s Basic Immunization in Pandemic Based on Mother’s Knowledge about Covid-19 Dewi Taurisiawati Rahayu Bachelor of Midwifery Study Program, School of Health Sciences Karya Husada Kediri, Indonesia JURNAL NERS DAN KEBIDANAN (JOURNAL OF NERS AND MIDWIFERY) http://jnk.phb.ac.id/index.php/jnk JNK History Article: Received, 07/04/2021 Accepted, 09/08/2021 Published, 10/08/2021 Keywords: Knowledge, Covid-19, Immunization, Baby, Timeliness Article Information Abstract The Covid-19 pandemic situation has an impact on the implementation of health services which cause delays in immunization services in health facili- ties. National data showed a decrease in the basic immunization from 55,2% in 2018 to 53,07% in 2019. Meanwhile, East Java basic immunization was from 67,02% in 2018 to 61,33% in 2019. The data obtained in Blitar districts showed the number of immunization was BCG of 99,27%, Polio of 95,57%, measles and MMR of 80,04% and hepatitis B of 98,04%. The purpose of this study was to determine the correlation between mother’s knowledge about Covid-19 and the timeliness of basic immunization in infants in Tulungrejo Village, Gandusari District, Blitar Regency. The study used analytical obser- vational method with cross sectional study approach. The independent vari- able was (mother’s knowledge about Covid-19) and the dependent variable was the timeliness of basic infant immunization. The study was conducted on 28th August to 20th October 2020. in Tulungrejo Village, Gandusari District, Blitar Regency. Population of 87 mothers who have babies. The sample was 71 respondents taken by simple random sampling technique. The instrument used a questionnaire. The data analysis used the chi square test with a value of  0.05. Results : The results showed that out of 71 respondents, there were 63 (88.7%) categories of good knowledge, the timeliness of the right immunization was 62 (87.3%). Meanwhile, 8 (11.3%) respondents with suffi- cient knowledge and 9 (12.7%) had inappropriate immunization accuracy. While the chi square statistical test obtained p value = 0.001 ( <0.05), and with closeness value og 0.371 or low category.It can be concluded that there was a correlation between the mother’s knowledge of Covid-19 and the time- liness of basic immunization in infants in Tulungrejo Village, Gandusari Dis- trict, Blitar Regency. © 2021 Journal of Ners and Midwifery 234 Correspondence Address: Poltekkes Kemenkes Malang – East Java, Indonesia P-ISSN : 2355-052X Email: dyah_widodo@yahoo.com E-ISSN : 2548-3811 DOI: 10.26699/jnk.v8i2.ART.p234–241 This is an Open Access article under the CC BY-SA license (http://creativecommons.org/licenses/by-sa/4.0/) https://crossmark.crossref.org/dialog/?doi=10.26699/jnk.v8i2.ART.p234-241&domain=pdf&date_stamp=2021-08-15 235Rahayu, The Timeliness of Baby’s Basic Immunization in Pandemic Based on Mother’s Knowledge about Covid-19 INTRODUCTION Corona virus is a new virus that can cause mild to severe illness. It is known that the corona virus originated from Wuhan-China in December 2019. Currently the corona virus is still spreading and re- search is still continuing. In current conditions, the corona virus is not an epidemic that can be ignored. When viewed from the symptoms, ordinary people would think that it was only limited to ordinary in- fluenza, but for medical analysis this virus is quite dangerous and deadly. Currently in 2020, the de- velopment of this virus transmission is quite signifi- cant because its spread is worldwide and all coun- tries are feeling the impact including Indonesia (Dashraath et al., 2020). With the increasing number of infected people, the public is very worried about the situation. To anticipate and attempt to break the chain of the corona virus, all regions in Indonesia provide poli- cies to limit activities outside the home, such as school activities,work from home, and even wor- ship activities are recommended to be carried out from home. This has become a government policy based on considerations that have been maximally analyzed (Omer et al., 2020). Due to the government’s policy to limit activi- ties outside the home, it has an impact on delayed health services such as posyandu for infants, eld- erly and adolescents. When the Covid-19 epidemic is in effect with restrictions on leaving the house, it makes parents hesitate and even afraid to leave and can result in low immunization coverage, and as is well known, the coverage of routine immuni- zation in Indonesia is less than satisfactory (Diharja et al., 2020).The Covid-19 pandemic situation has an impact on the implementation of health services, causing the temporary closure or delay of immuni- zation services at posyandu and in several other health facilities(Rahayu & Askabulaikhah, 2020). National data shows a decrease in the basic immunization from 55,2% in 2018 to 53,07% in 2019. Meanwhile, East Java is from 67,02% in 2018 to 61,33% in 2019(BPS, 2019). From data obtained in Blitar districts namely BCG of 99,27%, Polio of 95,57%, measles and MMR of 80,04% and hepati- tis B of 98,04%. (BPS, 2020).Colonel CKM dr. AchmadYurianto, Doctor and Director General of Disease Prevention and Control of the Ministry of Health of the Republic of Indonesia souece Minis- try of Health in (Iswati, 2020), said that Indonesia has an immunization coverage target per province of 46.5%. Meanwhile, East Java alone is only 43% with a population of around 40 million people. In June 2020, all provinces experienced a significant decrease in IDL coverage compared to June 2019 (Iswati, 2020). Some regions made a policy to post- pone posyandu. For example, a circular from the Mayor of Surabaya that was forced to temporarily stop the Posyandu Toddlers. However, the Minis- try of Health of the Republic of Indonesia has is- sued a circular letter to the heads of health offices throughout Indonesia with the subject of continuing to seek immunization according to schedule to pro- tect babies and children from PD3I or diseases where vaccines are available to prevent them, in- cluding polio, diphtheria, and measles. If many ba- bies do not get complete immunization, they are vulnerable to a widespread PD3I outbreak. To pre- vent this from happening, the immunization activi- ties are strived to continue by following local gov- ernment policies, namely byapplycontinuing tophysical distancing and other protocols such as washing hands, wearing masks, applying the prin- ciple of a minimum distance of 1 meter coupled with socializing efforts to prevent Covid-19(Iswati, 2020). Because the government strongly recommends that basic immunization be carried out in the midst of this Covid-19 pandemic, adults mother’s knowl- edge of the benefits of immunization and further information about Covid 19 is very important to act. According to (Notoatmodjo, 2011),knowledge is one of the components that shapes a person’s attitude to action. In this case, especially in order to maxi- mize the coverage of immunization as one of the prevention of disease outbreaks that can be pre- vented by immunization (PD3I) that could occur. According to the researchers, mothers should still adhere to existing protocols to participate in posyandu activities for infants / immunizations in other places. Because epidemics of other diseases can occur if immunization is not carried out. In ad- dition, health workers should also provide direction and education so that mothers / parents can under- stand how immunization should be carried out dur- ing this pandemic. Based on the above background, researchers feel it is ver y importa nt to know toddler ’s motherabout the problem of Covid which is associ- ated with the timeliness of basic immunizations. Toddler mother should be on time in immunizing her baby basic immunizations contribute to determining 236 Jurnal Ners dan Kebidanan, Volume 8, Issue 2, August 2021, page 234–241 the future health status of children. In the early days of life, babies are particularly susceptible to dan- gerous diseases, such as acute respiratory diseases, Polio, liver damage, Tetanus, Measles and many other dangerous diseases. Children affected by these diseases have a high risk of death. If not until death, attacks of viruses and diseases will cause prolonged physical and mental suffering and even biases cause disabilities.Immunization is the most powerful protection to prevent some dangerous dis- eases. Immunization stimulates the baby’s immu- nity so that it can protect against some dangerous diseases such as acute respiratory diseases, polio, liver damage, Tetanus, Measles and many other dangerous diseases.So a study was conducted to determine how the correlation between mother ’s knowledge of Covid-19 and the timeliness of basic immunization in infants in Tulungrejo Village, Gandusari District, Blitar Regency. METHOD This study used a survey research that was observational analytic with a cross sectional study approach. This study consisted of 2 variables, namely the independent variable and the dependent variable. The independent variable in this study is the mother’s knowledge of Covid-19. And the de- pendent variable is the timeliness of basic immuni- zation in infants. The population in this study were all infant mothers in Tulungrejo Village, Gandusari District, Blitar Regency, as many as 87.To obtain samples from the population, the researchers de- termined the size of the sample using the slovin formulaand obtained a large sample of 71.Re- searchers also set inclusion criteria in this study that are toddlers who do not have serious congenital pain.Samples obtained by randomizing using the lot- tery. The sampling technique used was Simple Random sampling.The instrument used is a ques- tionnaire that will be distributed to babies’ mothers in the area of Tulungrejo Village, Gandusari Dis- trict, Blitar Regency and checking the immuniza- tions that have been obtained using the KIA book. This research was conducted on 28th August to 20th October 2020. The place used to conduct research was in Tulungrejo Village, Gandusari District, Blitar Regency. Data analysis usedChi Squaretest. The resea rch procedure was to visit the respondent’s house to the house of the respondent who was accompanied by Posyandu cadres in each hamlet. Another method is to bring respondents to the ponkesdes. Researchers were given permission and assisted by the local midwife to collect some of the respondents at the ponkesdes. During this pan- demic, it is indeed difficult to gather a large number of people. However, it has been arranged in such a way as to collect several respondents. Posyandu activities also continued during the pandemic. Once a month an immunization is held at the Ponkesdes. Of course, by still adhering to the established health protocols. All information is provided by the mid- it is not face to face, information is still intertwined. However, cadres do the weighing and measuring ness is that toddlers get immunizations according to schedule in Maternal and Child Health books. Mother’s toddler come immediately to Posyandu, or the nearest health officer to complete the basic immunizations, namely Hepatitis B, BCG, Polio, DPT and Measles. Even if the toddler are coughing, cold or sedentaling, the baby can still be immunized be- cause the baby’s body is able to make immunity, so immunization is still beneficial for the baby. If the complaints increase come to the nearest health of- ficer or doctor to get medicine. Babies taking anti- biotics can also be immunized and remain benefi- cial to the baby. RESULT The presentation of the data that will be dis- played are general data and special data. General data provides data on age, mother’s education, in- fant age, infant immunization. Meanwhile, special data provides data on mother’s knowledge about Covid-19 and the timeliness of immunization. Based on the Table 1, the researched obtained that from the 71 respondents, almost all of the 67 respondents (94.4%) were vulnerable aged 20-35 years. Based on the Table 4, it can be seen that from 71 respondents, almost half of the 24 respondents (33.8%) were 4-8 months old and a small propor- Age Frequency(%) < 20 2 (2,8) 20 – 35 67 (94,4) > 35 2 (2,8) Total 71 (100) Table 1. Frequency Distribution of Mother’s Age wife through thegroupWhatsapp. So even though body length by door to door. Immunization timeli- 237Rahayu, The Timeliness of Baby’s Basic Immunization in Pandemic Based on Mother’s Knowledge about Covid-19 Education Frequency (%) Junior High School 24 (33,8) Senior High School 31 (43,7) University 8 (11,3) Total 71 (100) Table 2. Frequency Distribution ofLevel Of Mother Education’s Immunization Frequency (%) Hb 0 7 (9,9) BCG + Polio 1 10 (14,1) DPT 1 + Polio 2 29 (12,7) DPT 2 + Polio 3 13 (18,3) DPT 3 + Polio 4 24 (33,8) Campak 12 (16,9) Total 71 (100) Table 3. Frequency Distribution of Infant Immuniza- tion Infant’s Age Frequency (%) 0 month 7 (9,9) 1 month 7 (9,9) 2 month 8 (11,3) 3 month 13 (18,3) 4-8 month 24 (33,8) 9-12 month 12 (16,9) Total 71 (100) Table 4. Frequency Distribution of Infant’s Age tion of 13 (18.3%) of respondents with a baby age of 3 months. Based on the table, the researched obtained that from the 71 respondents, almost half of the 31 respondents (43.7%) had high school education and almost half of 24 (33.8%) with last junior high school education. Based on Table 3 it can be seen that from 71 of respondents, almost half of 4 (33.8%) respon- dents with DPT 3 Polio 4 immunization. Based on the results of the study, it shows that out of 71 respondents, almost all 63 respondents (88.7%) have good knowledge about Covid -19 and a small proportion of 8 (11.3%) respondents have sufficient knowledge. Knowledge Level Frequency (%) Good 63 (88,7) Enough 8 (11,3) Less 0 Total 71 Table 5. Frequency Distribution of Mothers Knowledge Level Accuracy Frequency (%) Exact 62 (87,3) Not correct 9 (12,7) Total 71 Table 6. Frequency Distribution of Timeliness of In- fant Immunizations Knowledge Accuracy Total Exactly Not Correct F % F % F % Good 58 81.7 5 7 63 88.7 Sufficient 4 5.6 4 5.6 8 11.3 Total 62 87.3 9 12.6 71 100 Chi square 0.001 Contingency coefficient of 0.371 Table 7. Crosstabulation between Knowledge and Timeliness of Infant Immunizations Based on the results of the research above, there were 71 respondents, almost all of 62 (87.3%) had a timeliness in immunizing their babies. And a small proportion of 9 (12.7%) experienced not timely immunization of their babies Based on Table 7 it can be seen that out of 71 238 Jurnal Ners dan Kebidanan, Volume 8, Issue 2, August 2021, page 234–241 respondents, 62 (87,3%) of respondents had the right timing of infant immunization with good knowledge categories of 58 (81,7%) and a small percentage of 9 (12,6%) Respondents had inappropriate immuni- zation timelines with good knowledge categories of 5 (7%) and a small proportion of 4 (5,6%) respon- dents had sufficient knowledge level categories. Based on the results of thetestchi square in table 4.3, it shows that the significance value of p = value in chi square p = 0,001 is smaller than a = 0,05. other than that, the closeness value was 0.371 in the low category. It was concluded that Ha was accepted and Ho was rejected, meaning that there was a correlation between the mother’s knowledge of Covid-19 and the timeliness of basic immunization for infants in Tulungrejo Village, Gandusari District, Blitar Regency. The level of tightness of the correlation is low because there are other factors that affect the variablesuch as the condition of a sick child, the busyness of the parents, the delay of immunization time due to the pandemic and the other reason. DISCUSSION Overview of Mother Knowledge About Covid- 1 9 Based on the results of the study, it shows that out of 71 respondents, almost all 63 respondents (88,7%) have good knowledge about Covid-19 and a small proportion of 8 (11,3%) respondents have sufficient knowledge. Knowledge is the result of knowing, and oc- curs after people sensing a certain object. Sensing occurs through the five human senses, both the senses of sight, hearing, smell, taste, and touch. Most of human knowledge is obtained through the eyes and ears.Knowledge is important for human. Some- thing or human actions to understand the objects their face.According to (Kebung, 2017), knowledge is a term used to describe the results of someone’s experience about something. In the act of knowing there are always two main elements, namely, the subject who knows (S) and something that is known or the object of knowledge (O). The two of them are phenomenologically impossible to separate one from the other. Therefore, we can say that knowl- edge is the result of knowing humans. According to Notoatmodjo in (Wawan & Dewi, 2010), a person’s knowledge of an object has a different intensity or level. Broadly speaking, it is divided into 6 levels of knowledge, namely: knowledge, understanding, ap- plication, analysis, synthesis, and action. Corona virus is a group of the order Nidoviralesand thefamily Coronaviridae. Corona virus is a posi- tive single-strain RNA virus, encapsulated and non- segmented. Its structure forms a cube with S pro- tein located on its surface. Protein S (Spike Pro- tein) is one of the main viral antigen proteins which is the main structure of writing genes and plays a role in the attachment and entry of viruses in host cells (Sarma et al., 2020).The World Health Or- ganization has named this virus Severe Acute Respiratory Syndrome Coronavirus-2 (SARS- CoV-2) and the name of the disease as Corona Virus Disease 2019 (COVID-19). Corona Virus Disease 2019 (COVID-19) is a new virus that emerged at the end of 2019, this virus spreads rapidly almost throughout the world, with this outbreak the Indonesian government is- sued an order to all Indonesian citizens to keep their distance, always wear masks and wash their hands because of the virus. This spreads through the air, in this study most of the respondents were aged 20-35 years, which means that some respondents already had a lot of experience and extensive knowl- edge in caring for babies and were productive about the latest issues or news and especially those re- lated to the health of their children. News about Covid-19 is always updated every day through tele- vision news, newspapers and the internet. Based on general data, there are respondent characteristics related to special data, namely the level of education of almost half of the respondents (43,7%) with the last high school education. Ac- cording to (Kanji et al., 2019) that the higher a person’s education level, the more information he will receive, the higher the level of knowledge. Many sources explain covid-19, and all infor- mation is received from trusted people such as the hea lth tea m, loca l gover nment a nd centr a l government,Based on the covid-19 news delivery channel, researchers can see that there are infor- mation media and reliable sources as well as expe- riences experienced by respondents around, so that respondents’ knowledge about Covid-19 is suffi- cient, this shows that sources, information media and experiences can affect a person’s knowledge. Overview of Timeliness of Infant Immuniza- tions Based on the results of the research above, there were 71 respondents, almost all of 62 (87,3%) 239Rahayu, The Timeliness of Baby’s Basic Immunization in Pandemic Based on Mother’s Knowledge about Covid-19 had a timeliness in immunizing their babies. And a small proportion of 9 (12,7%) experienced not timely immunization of their babies. The Ministry of Health and IDAI have com- piled a schedule of immunizations for children ac- cording to their age. Immunization is on an impor- tant schedule to ensure the effectiveness of the vaccine. The Covid-19 pandemic could trigger an- other disease pandemic due to the decrease in child immunization rates. When two or more pandemics occur at the same time, there is no unimaginable impact felt by the community.IDAI advises, if it is to delay immunization of the child, do not miss the recommendation schedule. There is a choice of catch-up immunization, immunization to pursue or complete the delayed immunization. For example, children are late or have not received the measles vaccine when they are 9-12 months old. Parents can include the child with measles immunizations in the future(Diharja et al., 2020). Immunization comes from the word immune, immune or resistant. Children who are immunized, means that the child is given immunity to a certain disease. Children are immune or resistant to one disease but not necessarily immune to other dis- eases. Immunization is an effort to actively gener- ate or increase a person’s immunity against a dis- ease, so that if one is exposed to the disease, they will not get sick or only experience mild illness (Robinson et al., 2018).According to (Sumarmi, 2017)behavior is all individual biological manifesta- tions in interacting with the environment, starting from the most visible to the invisible behaviors, from what is felt to the least that is not felt. The results of this study show that the timeliness for immuniza- tion is still good. This is contradict previous re- search conducted by (Pujiasih & Sulistyoningtyas, 2017)with the title Correlation between Mother’s Work Status and Timeliness of Provision of Pen- tavalent Immunization and Advanced Measles in Toddlers at Paliyan Health Center. Obtaining re- sults that most of the 71 respondents (71.8%) did not properly carry out pentavalent immunization and advanced measles. Based on general data there are characteris- tics of respondents related to the timeliness of im- munization, namely education of almost half of the respondents (43.7%) with last high school educa- tion. According to(Hikmah, 2018)an educated per- son will influence knowledge which later affects the person’s behavior, attitudes and values . Basic immunization is the injection of certain vaccines into the baby’s body to get immunity and the baby is protected from various viruses and dis- eases, immunization is given according to the sched- ule and age of the baby, the accuracy of immuniza- tion a baby gets based on the mother or the person who cares for and cares for the baby.In This re- search the result that almost all respondents have received immunizations correctly, this condition can be seen from the mother’s sufficient knowledge, mothers with sufficient knowledge about the im- portance of immunization will always bring their children for immunization. Mother’s behavior, apart from being influenced by sufficient knowledge, is also influenced by the distance traveled and the role of cadres in a posyandu, the role of cadres who always informs and picks up babies who do not at- tend this posyandu is a good way for babies to al- ways regularly go to the posyandu and not miss immunizations. The correlation of maternal knowledge about covid-19 to the timeliness of immunization The result of this study concluded that there was a correlation between the mother’s knowledge of Covid-19 and the timeliness of basic immuniza- tion for infants in Tulungrejo Village, Gandusari Dis- trict, Blitar Regency. The level of tightness of the correlation is low because there are other factors that affect the variable such as the condition of a sick child, the busyness of the parents, the delay of immunization time due to the pandemic and the other. Public knowledge about Covid-19 is very im- portant so as not to cause an increase in the num- ber of cases of Covid-19. Immunization is an es- sential health service that protects individuals who are susceptible to diseases that can be prevented by immunization (PD3I). By providing immuniza- tion on time, individuals and communities will re- main protected and the likelihood of an outbreak of PD3I will decrease. Preventing an outbreak of PD3I not only saves lives but also requires less resources than responding to the outbreak and helps reduce the burden on a health system that is already over- whelmed by the Covid-19 pandemic. When mak- ing efforts to continue immunization, the state must also take an approach by applying the principle of not causing harm and limiting the transmission of covid-19(Omer et al., 2020). 240 Jurnal Ners dan Kebidanan, Volume 8, Issue 2, August 2021, page 234–241 Immunization services must be continued to prevent PD3I. The approach to continue running immunization services must be carried out with the principle of maintaining physical distance and ad- justed to the local health system context, the local PD3I burden, status and possible local COVID-19 transmission status. If immunization services are still provided, it is very important to pay attention to infection control measures to prevent transmission of the COVID-19 virus when immunization services are provided. During this pandemic, many parents, especially mothers, were afraid to immunize their babies be- cause of worry and anxiety about the transmission of the Covid-19 virus. In the context of Covid-19, parents can be told that while it is important to pro- vide immunizations on time, national and local gov- ernment guidelines regarding COVID-19 preven- tion measures must also be followed, including main- taining physical distancing. This means the possi- bility of temporary disruption of immunization ser- vices. Therefore, it may be difficult to find immuni- zation services because of physical distancing and the need to reduce crowding at health-care facili- ties. In such circumstances, it is important to ad- vise parents to seek immunization for their children as soon as immunization services are available (Felicia & Suarca,2020). Based on previous research conducted by (Rosdiana et al., 2020)with the title Knowledge Correlation and Family Support with Timeliness of Giving Measles Immunization in PasirKaliki Bandung, the results were (60.47%) had good knowledge, (61.63%) had family support. good tim- ing and timeliness of measles immuniza tion (60.47%). The results of the bivariate analysis re- sult p.value to the variable knowledge0,002, while the variables of family support was obtained p-value 0,0027 then H0 is rejected, which means there is a correlation between knowledge and family support timeliness of measles immunization. So it can be concluded that every immunization officer must provide health education and involve the family in socializing the immunization program so that the target coverage of the health programcan be achieved through the collaboration of health pro- gram officers with the community. In the opinion of the researchers, immuniza- tion must still be given even though it is currently in the Covid-19 pandemic. Immunizations can be ob- tained from integrated service or doctors. How- ever, apart from that, parents must adhere to exist- ing health protocols. The knowledge that parents / mothers have is very important. Therefore, espe- cially medical personnel must provide education about this to the baby’s parents. In this study, most of the respondents were 20- 35 years old and almost half of the respondents were with high school education, in this case the respon- dents were mature enough to understand the exist- ing issues and had enough experience in caring for babies. Especially in fulfilling basic infant immuni- zation, news about corona is always broadcast Ev- ery day from all sources so that parents understand clearly about the Covid-19 pandemic.As in this study, it was found that almost all respondents already had good knowledge, but researchers found problems with respondents with good knowledge, but it was not timely to carry out basic immunizations for ba- bies. After the researcher examined more deeply, the researcher found that there were other factors that became a barrier, namely the existence of par- ents who could not take their children because they were busy, some said their children were still sick. That’s why researchers found that the accuracy of immunization is not only due to the corona factor or knowledge, but also influencedby the work of the mother and her baby who were sick during the im- munization schedule. CONCLUSION The conclusion of this study is that there was a correlation between mother’s knowledge of Covid- 19 and the timeliness of immunization for infants in Tulungrejo Village, Gandusari District, Blitar Regency.The level of tightness of the correlation is low because there are other factors that affect the variable. SUGGESTION For further researchersbecause this study is weak in relation, the next researchers need to be conducted research that examines other factors that affect the accuracy of the mother immunizing her baby because of the discussion of good maternal knowledge but there are obstacle factors that do not exist posyandu, empty vaccines and the other.For respondents, it can be an input for mothers to in- crease knowledge about current Covid-19, includ- ing protocols that must be done in an effort to pre- vent it and improve adherence to the timeliness of basic immunization for their babies. 241Rahayu, The Timeliness of Baby’s Basic Immunization in Pandemic Based on Mother’s Knowledge about Covid-19 REFFERENCE BPS. (2019). Persentase Anak Umur 12-23 Bulan Yang Menerima Imunisasi Dasar Lengkap Dengan Tingkat Kesejahteraan 40% Terendah, Menurut Provinsi (Persen ). In Badan Pusat Stat istik. h ttps:// www.bps.go.id/indikator/indikator/view_data/0000/ data/1545/sdgs_1/1 BPS. (2020). 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