id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
cord-292209-d1ty9etr	Horta, Bernardo L	Prevalence of antibodies against SARS-CoV-2 according to socioeconomic and ethnic status in a nationwide Brazilian survey	2020-10-29		.txt	text/plain	4330	247	53	Subjects answered a questionnaire on household assets, schooling and self-reported skin color/ethnicity using the standard Brazilian classification in five categories: white, black, brown, Asian or indigenous. The present analyses were aimed at assessing socioeconomic and ethnic group inequalities in prevalence of antibodies against SARS-CoV-2 in 133 sentinel cities throughout Brazil, as part of the EPICOVID-19 study (www.epicovid19brasil.org). In summary, the analyses of the three waves of national serological surveys in Brazil showed important inequalities in the prevalence of antibodies against SARS-CoV-2 according to family wealth, education and ethnic groups. Yet, even after adjustment for region, indigenous individuals were about twice as likely as whites to present antibodies against SARS-CoV-2, and in the national analyses including adjustment for region of the country and socioeconomic status, the prevalence ratio remained at around two.	./cache/cord-292209-d1ty9etr.txt	./txt/cord-292209-d1ty9etr.txt