With thousands of tests on humans, the world is approaching the end of the race for a safe and effective vaccine against the new coronavirus (SARS-CoV-2). According to the governor of the State of São Paulo, João Doria, the third and final phase of CoronaVac vaccine testing will be completed this week, until Friday (16). The immunizer is the big bet to face COVID-19 in the state and is developed by the Chinese pharmaceutical company Sinovac, in partnership with the Butantan Institute.
“Friday we will have the conclusive results and next Monday [dia 19 de outubro] the result will be displayed. So far, all results have been positive. No collaterals were presented to the 13,000 doctors and nurses who were tested in seven Brazilian states, ”said the governor during a news conference on Wednesday (14).
Vaccination against COVID-19
Even after the CoronaVac vaccine is finished testing, researchers will need to evaluate the data collected. In this last stage before approval, the large-scale clinical trial was carried out with 13 thousand Brazilians, for a more definitive assessment of efficacy and safety. In addition to investigating side effects, the idea is to confirm its protective effect against the coronavirus.
With these positive results of the tests, the vaccine against COVID-19 will still need to receive authorization for use by the National Health Surveillance Agency (Anvisa). According to the state’s coronogram, the start of the immunization campaign will begin on December 15th. However, the adoption of this vaccine in vaccination campaigns of the Unified Health System (SUS) is still uncertain.
To obtain immunity against COVID-19, two doses of the immunizer will be required, applied within 14 days. According to the secretary, the first vaccinated will be health professionals, with a greater risk of exposure. Next, it will be educators and people with chronic diseases. By the end of March, the vaccination of the entire population of the state of SP must be completed, bet the health authorities.
This comprehensive vaccination project will only be possible because of an agreement between the government of São Paulo and the Sinovac laboratory. According to the document, the state will receive 46 million doses of the vaccine against COVID-19 by the end of this year, of which six million doses will be delivered ready and the other 40 million will be produced by the Butantan Institute. By February 2021, another 14 million doses, totaling 60 million doses.
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