What type of disease is caused by parasites such as lice and mites?

A parasitic disease is one that is caused by parasites, which are organisms that live on or inside a host and benefit at the host's expense. In the context of lice and mites, these are ectoparasites, meaning they live on the surface of the host and can cause various health issues, including skin irritation and infections.

Parasitic diseases can affect humans and animals, leading to discomfort and sometimes more severe health problems if left untreated. Lice infestations, for instance, are common and can lead to itching, secondary infections due to scratching, and other complications.

The other categories of diseases, such as viral, bacterial, and fungal diseases, involve different pathogens and mechanisms of infection. Viral diseases are caused by viruses, which require a host's cells to reproduce. Bacterial diseases are caused by bacteria, unicellular organisms that can multiply independently. Fungal diseases result from fungi, which can live on or inside the host and often manifest in skin infections or respiratory issues. Understanding these distinctions is essential for accurately diagnosing and treating health conditions.