Vaccines work by inducing the immune system’s B cells to manufacture antibodies against specific molecules — called antigens — that poke out of a particular virus.
The cells are able to do that because their DNA constantly and randomly produces the three basic components of antibodies.
Can viruses be prevented by vaccines?
Vaccines help prevent infectious diseases and save lives. Vaccines are responsible for the control of many infectious diseases that were once common in this country, including polio, measles, diphtheria, pertussis (whooping cough), rubella (German measles), mumps, tetanus, and Haemophilus influenzae type b (Hib).
How do vaccines work against viruses?
A vaccine works by training the immune system to recognize and combat pathogens, either viruses or bacteria. To do this, certain molecules from the pathogen must be introduced into the body to trigger an immune response.
How do vaccines help prevent the spread of disease?
Strengthening your baby’s immune systemImmunity is the body’s way of preventing disease. Vaccines reduce your child’s risk of infection by working with his/her body’s natural defenses to help safely develop immunity to disease. Your child is exposed to thousands of germs every day in his environment.
How do vaccines keep you healthy?
Vaccines can lower your chance of getting certain diseases.Vaccines work with your body’s natural defenses to help you safely develop immunity to disease. This lowers your chances of getting certain diseases and suffering from their complications. For instance: Hepatitis B vaccine lowers your risk of liver cancer.