LyrArc Article Gist
With more vaccines available from Pfizer and Moderna, and the poor SinoVac Chinese vaccine effectiveness against the Delta variant, Brazil and other countries in Latin America and Asia are shifting away from Chinese vaccines. Brazil's federal government has halted negotiations for additional doses of Chinese vaccines. In the early stages in 2020 Chinese vaccines helped Brazil cope with the devastating rise in cases. The slow pace of vaccinations in US and Europe has freed up more vaccine doses of Pfizer for other countries including Brazil. From accounting for 80% of vaccines in Brazil early in 2020, SinoVac vaccines now make up only 35% of Brazil's vaccine doses. At that time Brazil bought 100 million doses of SinoVac vaccine which were delivered. The local producer of SinoVac vaccine, the Butantan Institute will no longer make Chinese vaccines. While Sinovac vaccines are effective at preventing deaths, the vaccines have a low effectiveness rate for symptomatic infections. ...