First, a baby can develop a certain amount of immunities if breastfed. Second, a child or adult develops immunities by exposure to or getting the disease, or through being vaccinated, IF a vaccine exists.
By catching the disease and recovering.
Herd vaccination refers to when the majority of a population or commumity are vaccinated that it creates immunity against a specific disease that they were vaccinated for. It creates some safety for the nonvaccinated individuals since the majority of the group have developed immunity and are protected from contracting and spreading the disease to others.
Active immunity to a disease is acquired either through getting the disease or being vaccinated for it.
A weakened or dead extract of the disease you are being vaccinated against. This causes the body to build an immunity to that disease. So simple, it's brilliant.
It is important for most of the population to be vaccinated to achieve herd immunity, which helps protect those who cannot be vaccinated due to medical reasons. This also reduces the spread of infectious diseases in the community, ultimately leading to lower infection rates and better public health outcomes.
Lyme disease vaccine has not been produces since 2003, but once a person is infected with a particular strain of the disease, they can develop an immunity that can last up to nine years.
Vaccination
The act or practice of inoculating someone with a vaccine as a protection against disease is called a vaccination. This is used to build immunity to specific diseases that could be detrimental to society and to the person who is not vaccinated.
A person acquires active immunity when their own immune system produces antibodies in response to the presence of a pathogen. Active immunity can result from either getting the disease or being vaccinated.
They acquired it by becoming infected but surviving the infection.
A person can become immune by being vaccinatedwhich helps the body to develop long-term immunity against a disease.
Immunity