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Tests positive for more than half of people without symptoms or risky contacts – O Jornal Económico

The highest proportion of positive tests occurred among people who never manifested any symptoms, nor had any contact with suspected or confirmed cases of covid-19 coronavirus, the newspaper said. Public, using the report Diaries of a Pandemic, an initiative of the Institute of Public Health of the University of Porto (ISPUP) and the Institute of Systems and Computer Engineering, Technology and Science (INESC TEC).

ISUP president Henrique Barros told Público that for each symptomatic case “there will be four, five or perhaps more cases of infection that go without symptoms”, according to the results of surveys of a sample of 11,125 individuals. That same survey reveals that 8,613 people reported never having had personal contact with suspected or confirmed cases of covid-19 or developing any symptoms.

Henrique Barros tells the public that the official figures are made with reference to symptomatic cases, but that “contaminated by asymptomatic cases that result from screening.

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