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Lab technicians use a PerkinElmer Janus Automated Workstation to extract RNA and DNA for Covid testing at Lacen Central Laboratory March 30, 2021 in Manaus, Brazil. Brazilian residences are receiving the CoronaVac vaccine, also known as the Sinovac COVID-19 vaccine. CoronaVac is an inactivated virus COVID-19 vaccine developed by the Chinese company Sinovac Biotech and has been in Brazil's Phase III clinical trials. Photo Ken Cedeno
