IMMUNOLOGY

Detailed explanation-1: -How is herd immunity achieved? Herd immunity can be reached when enough people in the population have recovered from a disease and have developed protective antibodies against future infection.

Detailed explanation-2: -Herd immunity occurs when the majority of a population is immune to a disease or virus. Otherwise known as community immunity 1, it helps to slow the spread of infectious diseases in two ways : People contract the disease and develop an immune response. People are vaccinated.

Detailed explanation-3: -What is ‘herd immunity’? ‘Herd immunity’, also known as ‘population immunity’, is the indirect protection from an infectious disease that happens when a population is immune either through vaccination or immunity developed through previous infection.

Detailed explanation-4: -Herd immunity occurs when the majority of a population develops immunity against a contagious disease either through vaccination or due to a previous infection. This significantly reduces the likeliness of disease transmission from one person to another.