Source of Infestation

Topic: "Source of invasion in the context of the global spread of infectious diseases"

**Introduction:** Infectious diseases are one of the most serious challenges facing humanity and affect the lives of millions of people around the world. They can be caused by various types of pathogenic microorganisms (bacteria, viruses, parasites) that are transmitted from an infected person or animal to a healthy body through contact, contact, airborne droplets and other means. One of the most dangerous sources of infection is infected people, and people with weakened immune systems are most at risk