The vaccine’s makers, Pfizer and BioNTech, say they have found no serious safety concerns. After testing the vaccine on 43,500 people in 6 countries.

Health and Healthcare Systems
We lose trillions to lead poisoning each year. Here’s how to stop it
The vaccine’s makers, Pfizer and BioNTech, say they have found no serious safety concerns. After testing the vaccine on 43,500 people in 6 countries.