What is a vaccine, and how do vaccines work?

2023年5月24日 — Vaccines Strengthen the Body's Natural Defenses. To be immune is to be partially or fully resistant to a specific infectious disease or disease- ...

2020年12月8日 — Once the antigen-specific antibodies are produced, they work with the rest of the immune system to destroy the pathogen and stop the disease.

Vaccines based on proteins contain small pieces of a virus or bacteria that are not dangerous but help the immune system recognise and fight a real infection.

Vaccines based on proteins contain small pieces of a virus or bacteria that are not dangerous but help the immune system recognise and fight a real infection.

Learn about how COVID-19 vaccines will work with your body's natural defenses to safely develop protection (immunity) to this serious disease.

2022年9月27日 — Vaccines use germs against themselves. By using a weakened or inactive version of a germ or a piece of a germ, the vaccine shows your immune ...

2019年1月3日 — A vaccine is a type of medicine that trains the body's immune system so that it can fight a disease it has not come into contact with before ...