id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
cord-176540-48mapwlq	Schulz, Rodrigo A.	COVID-19: A model for studying the evolution of contamination in Brazil	2020-03-31		.txt	text/plain	4732	318	63	The present work explores the building of a variation of the SIR model in order to cover relevant conditions present in the Brazilian context, such as: 1) daily mortality and daily birth rates (which change, over time, the population) and 2) the gradual reduction of the population susceptible to the disease in fuction of social distancing measures. And in respect to III, it is assumed that, with the evolution of the epidemic, people will begin to isolate themselves socially, whether by individual will or governmental determination, so that the susceptible population is also reduced due to this factor [8] . To correct the problematic points in assertions I, II and III, one can add terms in the equations (1), (2) and (3) in order to operate them according to the logic of a growing susceptible population, where there are reductions resulting from deaths and from social isolation processes, as well as an increase in the number of susceptible people due to the birth rate.	./cache/cord-176540-48mapwlq.txt	./txt/cord-176540-48mapwlq.txt