Development of a vaccine

 Vaccine development entails a rigorous system from identifying candidate molecules, testing in the laboratory, controlled testing in a few human […]

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Effectiveness of vaccines

Vaccine effectiveness is a measure of how well vaccination protects people against infection, symptomatic illness, hospitalization, and death. Effectiveness is […]

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Group immunity

Collective immunity or herd immunity or community immunity refers to a situation whereby a high number of individuals in a […]

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Why Vaccinate?

Vaccines greatly reduce or eliminate many infectious diseases that are harmful to children, and adults. Viruses and bacteria or their […]

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