Question

how vaccine work.? give some examples which can we prevented by vaccination.

Answer 1

Vaccines are like a training course for the immune system. They prepare the body to fight disease without exposing it to disease symptoms. When foreign invaders such as bacteria or viruses enter the body, immune cells called lymphocytes respond by producing antibodies, which are protein molecules.
The example is=The Center for Disease Control recommends a vigorous schedule ofvaccinations starting at birth. It begins with the Hepatitis B vaccine, followed by rotavirus and DTap, which covers diptheria, tetanus, and whooping cough. Children also receive vaccinessuch as polio, MMR (measles, mumpsand rubella), and chicken pox.

Answer 2

The antibodies destroy the vaccinegerms just as they would the disease germs — like a training exercise. ... Immunizing your baby with vaccinesprotects against serious diseases like measles, whooping cough, polio, meningococcal disease, tetanus, rotavirus, hepatitis A, hepatitis B, chickenpox, influenza, and more
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