Reservoirs can be classified into three main categories: human reservoirs, animal reservoirs, and environmental reservoirs.
Human Reservoirs: Infections in humans can be either symptomatic or asymptomatic. Asymptomatic carriers play a significant role in the transmission of certain diseases, such as Typhoid fever and HIV. Animal Reservoirs: These include both domestic and wild animals. Zoonotic diseases like rabies, Lyme disease, and the more recent COVID-19 pandemic often have animal reservoirs. Environmental Reservoirs: These are non-living reservoirs such as soil, water, and inanimate surfaces. Pathogens like Legionella and Clostridium tetani thrive in these environments.
