Descibe three reservoir of infection?

1. Animal reservoirs
2. Human carriers
3. Nonliving reservoirs

Human carriers - Humans with active diesase are reservoirs of infection. Carriers asymptomatic but infective (w/o symptoms). S. aureus - from normal flora or infected persons by contact. Common cold viruses by inhalation of sneezed particles. HIV direct sexual contact or injection of contaminated products (IV drugs or blood transfusion) **After they get older their immune system gets compromised they are able to get disease**

Animals - Pathogens that infect domesticated or sylvatic (wild animals) can infect humans. Routes - direct contact with animal, animal wastes, eating animals, blood sucking arthropods. Rabies, plague, Brucella abortis, Plasmodium vivax, fungi that cause ringworm by contact with infected dogs and cats.

Nonliving reservoirs - Soil, food, water, air