id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
cord-333265-na7f0yam	Zeng, Yiping	Forecasting of COVID-19 Spread with dynamic transmission rate	2020-08-21		.txt	text/plain	3102	190	58	In Section 3, based on the least square method, the improved model is optimized by considering accumulated number of infected individuals and daily new cases. 1) The exposed individuals and infected individuals have same probability to infect susceptible individuals, that is β 1 =β 2 ; 2) There is no pedestrian flow between Hubei and outside Hubei, and COVID-19 spreads in the corresponding area; 3) Removed individual from the system has no ability to infect others; 4) The transmission rate β is assumed to follow an exponential function considering the fact that fewer individuals are infected after measures are in placed; 5) The removal rate γ is supposed to follow a power exponent function, and the removal rate increases as the time processes due to the better treatment. In our model, the transmission rate β is assumed to follow exponential function by considering the fact that fewer individuals are infected after measures to prevent the virus spread.	./cache/cord-333265-na7f0yam.txt	./txt/cord-333265-na7f0yam.txt