In Brazil’s Amazon a COVID-19 resurgence dashes herd immunity hopes (9-27-20)

In Brazil’s Amazon a COVID-19 resurgence dashes herd immunity hopes

Anthony Boadle, Reuters

9-27-20

The largest city in Brazil’s Amazon has closed bars and river beaches to contain a fresh surge of coronavirus cases, a trend that may dash theories that Manaus was one of the world’s first places to reach collective, or herd, immunity. When a large portion of a community becomes immune to a disease, its spread becomes unlikely. University of Sao Paulo researchers suggested that a drastic fall in COVID-19 deaths in Manaus pointed to collective immunity at work, but they also believe that antibodies to the disease after infection may not last more than a few months.

Read more: https://www.reuters.com/article/healthcoronavirus-brazil-manaus/in-brazils-amazon-a-covid-19-resurgence-dashes-herd-immunity-hopes-idUKL2N2GM0SC