id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
cord-284879-sjkni2uc	Song, Suk-Kyoon	IgG Seroprevalence of COVID-19 among Individuals without a History of the Coronavirus Disease Infection in Daegu, Korea	2020-07-16		.txt	text/plain	2564	108	45	Only 3.5% of study subjects reported the presence of confirmed COVID-19 cases among close contacts such as family, friends, or coworkers. 1 During an epidemic of infectious diseases, seroprevalence studies are important in demonstrating the widespread and undiagnosed infection in the general population.	cache/cord-284879-sjkni2uc.txt	txt/cord-284879-sjkni2uc.txt
