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Residents of the Brazilian city of Manaus, which was hit hard by the COVID-19 epidemic, are said to have acquired herd immunity, making it possible to control the transmission of the coronavirus, according to a published preliminary study. .
The APE-MPE reports that according to the mathematical model used in this study, the results of which were published on the medRxiv website, it is believed that 66% of the population of Manaus, which was quickly and severely hit by the pandemic, have antibodies against of coronavirus.
This percentage is high enough that COVID-19 can no longer spread drastically, said the team of 34 Brazilian and international researchers who compiled the findings from this study, which has not yet been peer reviewed.
The image of Manaus, located in the Amazon rainforest at the height of the coronavirus outbreak in May, was that of saturated hospitals, refrigerated trucks and mass graves.
Manaus has registered 2,462 deaths from COVID-19. If it were a country, it would have the second highest death rate in the world, with 100.7 deaths per 100,000 inhabitants.
However, the death toll in this city of 2.2 million people has plummeted in recent weeks to an average of 3.6 per day over the past 14 days.
“It appears that exposure to the virus has reduced the number of new cases and deaths in Manaus,” said study coordinator and professor of medicine at the University of Sao Paulo Ester Sabino at the São Paulo State Research Support Foundation. . which contributed to the funding of the study.
Manaus is one of the cities in Brazil that is rapidly lifting the restrictive measures that were imposed to stop the epidemic, in its schools, businesses, bars and its famous opera.
However, according to health experts, the pursuit of herd immunity is the dangerous path for political decision makers.
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