[ad_1] BNT162b2. This is the name given to the project for the first vaccine to be massively applied in the Western world to prevent infection with the new coronavirus. It was developed by the pharmaceutical companies Pfizer (USA) and BioNTech (Germany), has an efficiency of more than 90 percent and …
Read More »Pfizer vaccine against covid-19: details on its application and what comes into the world – Health
