There are five stages of infection, each with a different duration and symptoms. These differences also depend on the type of infection. Infection occurs when an organism, such as a virus or ...

Humans are constantly exposed to numerous viruses but the consequences of infection are different in different individuals. The outcome of host–viral interactions depend on the dose and route of ...

Pinworm infection (Enterobius vermicularis) is the most common intestinal parasitic worm infection in the United States. It often occurs in school-aged children and can cause significant ...

Additionally, people can develop secondary bacterial infections after having a viral infection. This is not very common in people with COVID-19, but research suggests that, when it does happen ...

Parasitic infection describes the infection of a host with a particular parasite. Parasites are microorganisms that rely on other host organisms for their own survival. Many parasites do not cause ...