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Boxes with possible vaccine from China Sinovac against Covid-19 in Beijing (REUTERS / Thomas Peter)
SÃO PAULO – On the morning of Thursday (19), the São Paulo state government received the first batch of CoronaVac vaccine with the first 120,000 doses. The immunizer, developed by the Sinovac laboratory in association with the Butantan Institute, was imported from China and arrived a day ahead of schedule.
The 120,000 doses comprise a batch greater than 6 million, which should arrive by the end of December. In addition to these doses that arrived ready, Butantan should receive this year the raw material for the production of more than 40 million doses.
The location where the vaccines will be kept has not been disclosed for security reasons.
The governor of São Paulo, João Doria (PSDB), who accompanied the arrival of the lots at the site, had confirmed last Tuesday (17) that the material would arrive earlier than expected.
The National Health Surveillance Agency (Anvisa) had authorized the import of these doses of CoronaVac at the end of October.
CoronaVac has good results, but in a phase before Pfizer and Moderna
Also on Tuesday (17), an article published in the scientific journal “The Lancet” showed that the vaccine is safe and has the ability to produce an immune response in the body against the Sars-CoV-2 virus 28 days after its application in 97% of the cases.
However, the tests are for phases 1 and 2 of the clinical study. Although they are positive, their effectiveness against Covid-19 has yet to be proven with the final stage (phase 3) tests, which are also being carried out in Brazil, with thousands of volunteers.
On Wednesday (18), the immunizer produced by the pharmaceutical companies Pfizer and BioNtech proved to be 95% effective in phase 3 of the tests, becoming the first vaccine in the world to record final efficacy results in the most advanced phase of the tests. . And on Monday (16), Moderna’s vaccine had already shown an efficiency of 94.5%, also in phase 3 tests, but in preliminary results.
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