How do COVID-19 vaccines work?

Vaccines help people develop immunity to an epidemic or other germ. A vaccine introduces a less harmful a part of that germ — or something created to seem or behave love it — into a person’s body. The body’s system develops antibodies that fight that specific germ and keep the person from getting sick from it. Later, if the person encounters that germ again, their system can “recognize” itandContinue reading “How do COVID-19 vaccines work?”