Respuesta :
Vaccination contributes to the development of herd immunity in a community when a large enough population has been immunized against disease and has produced antibodies that will protect them from re-infection.
When a sufficient number of people are immunized against disease and have produced protective antibodies against upcoming infection, herd immunity can also be attained. Vaccines build immunity without resulting in disease or other negative side effects, in contrast to the natural infection technique.
Vaccines have successfully eliminated contagious diseases including smallpox, polio, diphtheria, rubella, and many others by utilizing the idea of herd immunity.
Herd immunity allows for the protection of the entire community against disease, including individuals who cannot receive a vaccination, such as infants or those with weakened immune systems.
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