Is it true that herd immunity can be achieved with all types of vaccines?

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True

False

answer is B.

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Detailed Solution

Herd immunity is the indirect protection from infectious diseases that happens when a large percentage of a population becomes immune to the disease, either through vaccination or previous infection. While vaccination is the most effective way to achieve herd immunity, not all types of vaccines can provide it.

Live attenuated vaccines, which use a weakened form of the virus or bacteria, can provide herd immunity by stimulating natural infection in the vaccinated individuals. However, other types of vaccines, such as inactivated vaccines, may not provide herd immunity as they do not stimulate natural infection.

Not all types of vaccines can achieve herd immunity, hence, a high rate of vaccination in the population can provide protection for those who cannot be vaccinated, such as individuals with weakened immune systems.

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