Vaccines are a product in the form of a spray, injection, pill or liquid that helps your body's immune system fight disease.
How does it do that?
It trains your immune system to make antibodies to fight off infections.
Vaccines are a product in the form of a spray, injection, pill or liquid that helps your body's immune system fight disease.
How does it do that?
It trains your immune system to make antibodies to fight off infections.