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Only 9% of Brazil's Covid-19 cases are asymptomatic: Study
RIO DE JANEIRO: Less than 10% of people infected with the novel coronavirus in Brazil were asymptomatic and the majority of those who tested positive for the COVID-19 respiratory disease had mild symptoms, a survey of almost 90,000 people from all regions showed on Thursday.According to the epidemiological research funded by Brazil's Health Ministry and carried out by the Federal University of Pelotas in the southern state of Rio Grande do Sul, people who tested positive for the virus showed five main symptoms: fever, cough, alteration of smell/taste, body pain and headache.A total of 2,064 of 89,387 people surveyed between May 14 and June 24 in three phases tested positive for antibodies, of whom 91% showed symptoms of COVID-19."The