Human Health

Diseases caused by pathogens such as bacteria, viruses, fungi, or parasites that can be transmitted from one person to another.

Measles, chicken pox, influenza, cholera, typhoid.

The ability of the body to resist or fight off infections and diseases.

Immunity gained through vaccination, where the body produces antibodies in response to a vaccine.

Immunity acquired through natural means, such as antibodies passed from mother to child during pregnancy or breastfeeding.

Immunity gained by receiving antibodies from another source, such as antiserum or immunoglobulin injections.

Blood serum that contains antibodies, used to provide passive immunity.

An organism that carries and transmits pathogens to humans or other animals.

Mosquitoes, ticks, and fleas are common vectors that can transmit diseases.

Cholera is commonly transmitted through contaminated water.