To understand how herd immunity works is to understand why vaccination isn't just a personal issue—it's a public health issue.
explains. More specifically there are three main types of white blood cells that help to keep you healthy:germs , digest them, and leave behind little germ bits called antigens.
Then you have T-lymphocytes, which attack and attempt to destroy any of your cells that the disease has already infected. Even if your body is able to fully kick the illness , it keeps a few of those T-lymphocytes on call so that they can remember how to fight the pathogen in question more quickly if you encounter it again.. Getting a vaccine means that you're safely introducing your body to a pathogen that is either dead, alive but incredibly weak, or otherwise neutralized.
In very rare situations someone might experience more serious side effects from a vaccine, like a severe allergic reaction. However, theHow getting a vaccine protects the people around you Herd immunity is also called community immunity, Dr. Moss says, which really gets to the heart of the matter: Vaccines are a way of keeping entire communities safe from disease.
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