M2 PHARMA-May 27, 2021-Study results indicate 15% of Brazilians have COVID-19 antibodies
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A Brazilian study has revealed that an average of 15% of the country's population of 210 million people have COVID-19 antibodies, Reuters news agency reported on Thursday.
The presence of COVID-19 antibodies suggests that a person was likely infected with the virus at some point and may also mean the person has some immunity.
This study, backed by the Sao Paulo state government's research foundation (Fapesp) and Federal University of Sao Paulo (Unifesp), was conducted up to the end of April 2021 when COVID-19 cases were on the rise.
Researchers found that the level of antibodies varied greatly across the country, ranging from 9.89% in the north-eastern state of Ceara to 31.4% in the northern state of Amazonas.
According to lead researcher Marcelo Burattini, the vast majority of the 120,000 people tested as part of the study had not yet been vaccinated.
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