Vaccination is the administration of a vaccine to stimulate an individual's immune system to develop adaptive immunity to a pathogen. It is a key component in controlling infectious diseases.
5 Must Know Facts For Your Next Test
Vaccines work by introducing antigens that resemble disease-causing microorganisms, prompting the immune system to respond.
There are several types of vaccines including live-attenuated, inactivated, subunit, and mRNA vaccines.
Memory cells generated during vaccination provide long-term immunity by recognizing and responding quickly to future exposures of the pathogen.
Herd immunity occurs when a high percentage of the population is vaccinated, reducing the spread of disease.
Adjuvants are substances added to vaccines to enhance the body's immune response.