id	keyword
hls-11927	covid-19
hls-11927	study
hls-11927	security
hls-11927	health
hls-11927	lockdown
hls-11927	agents
hls-11927	nigeria
hls-11927	area
hls-11927	security agents
hls-11927	control
hls-11927	respondents
hls-11927	covid-19 lockdown
hls-11927	state
hls-11927	citizens
hls-11927	study area