id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
cord-339789-151d1j4n	Hong, Hyokyoung G.	Estimation of time-varying reproduction numbers underlying epidemiological processes: A new statistical tool for the COVID-19 pandemic	2020-07-21		.txt	text/plain	3939	186	53	bðtÞg À 1 ðtÞ < 1 leads to that i(t + 1) < i(t) or the number of infectious cases drops, meaning the spread of virus is controlled; otherwise, the number of infectious cases will keep increasing. We note that (9) is directly based on true numbers of infectious cases and removed cases derived from the discrete SIR model (6) .	cache/cord-339789-151d1j4n.txt	txt/cord-339789-151d1j4n.txt
