Science
Infectious diseases.
Definition
Illnesses caused by pathogenic organisms such as bacteria, viruses, fungi, or parasites that can spread between individuals. Transmission can occur through direct contact, airborne droplets, contaminated food or water, or vectors like mosquitoes.
Examples
Real-world.
- 1 Influenza spreading through airborne respiratory droplets
- 2 Malaria transmitted by Anopheles mosquito bites
- 3 Food poisoning caused by Salmonella bacteria in undercooked chicken