Explanation: Antibody tests should not be used to measure the level of protection from vaccines. Sinovac and the Butantan Institute have proven that the product is safe and effective in protecting against the Covid-19.Read the Full Article (Estadão Verifica)
This false claim originated from: Whatsapp video
The #CoronavirusFacts database records fact-checks published since the beginning of the COVID-19 outbreak. The pandemic and its consequences are constantly evolving and data that was accurate weeks or even days ago might have changed. Remember to check the date when the fact-check you are reading was published before sharing it.