id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
cord-263631-xna0qtpu	Geng, Jianping	A Silent Infection Pandemic of COVID-19: Epidemiological Investigation and Hypothetical Models	2020-07-05		.txt	text/plain	2495	149	54	Asymptomatic COVID-19 Carrier Caused a Family Cluster with One Severe and Two Mild Pneumonia e index is a 19-year-old girl who studied in a university in Wuhan and returned to her hometown Anyang, in Henan Province, on January 10, 2020. According to our mathematical models of epidemic data in the early of February 2020 in Mainland China, silent infection is estimated to account for as many as 80.5% of the total COVID-19 infections. Our hypothetical model suggests that severe cases may only account for about 4% of the total number of infections if COVID-19 could be effectively prevented and controlled in the early stage, which is bearable when the hospital resources are sufficient. According to the current epidemic data of COVID-19 [6] [7] [8] [9] , children between 0 and 9 years old accounted for only 1% of the total infected population with a mortality rate of 0.	./cache/cord-263631-xna0qtpu.txt	./txt/cord-263631-xna0qtpu.txt