The successful vaccination trial in a Brazilian city – Summary 3

Serrana, a city of 45,000 inhabitants located in the state of São Paulo, Brazil, has decided to demonstrate the importance of the covid-19 vaccine by vaccinating almost all of its population.

Authorities have vaccinated 63% of the elderly (the vaccine is not approved for children and adolescents), leading to a dramatic drop in symptomatic coronavirus cases and deaths.

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Butantan Institute member Ricardo Palacios said Channel 3 that the objective was to verify the benefit not only personal, but also for the whole community.

“We divide the city into a block and when we compare the different periods, we record an 80% drop in symptomatic cases, 86% in hospital admissions and a 95% reduction in deaths,” he said. declared.

He explained that only a small group was not vaccinated and it still worked in children and adolescents, as hardly any cases were found in that age group.

“One of the keys is homogeneous vaccination, because if there are segments that are largely vaccinated and others not, the latter generate a hotbed of infections. Otherwise, the pandemic will never end,” he said. he declared.

According to experts from Butantan, the Serrana vaccination was carried out with the P.1 variant as the predominant variant, which enhanced the efficacy against the variant of the coronavirus originating in Manaus, the main one circulating in the country from the beginning. of the year. .

They also claimed that the vaccination did not generate any genetic selection for new coronavirus variants, which was a concern in the mass vaccination process.

Interview with Fernando Genesir.