List of dangerous virus in the human body

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Virus (or viruses) are microscopic organisms that can infect hosts, like humans, plants or animals. They’re a small piece of genetic information (DNA or RNA) inside of a protective shell (capsid). Some viruses also have an envelope. Viruses can’t reproduce without a host. Some common diseases caused by viruses include the flu, the common cold and COVID-19.


What are the types of viruses?

Experts group virus into categories — like family and genus — based on similar features, like size, shape and the type of genetic material they carry. Some common types of viruses that you might hear about include:

  • Influenza viruses.
  • Human herpesviruses.
  • Coronavirus.
  • Human papillomaviruses.
  • Enteroviruses.
  • Flaviviruses.
  • Orthopoxviruses.
  • Hepatitis viruses.

There are also some viruses that have unique qualities, like retroviruses and oncoviruses.

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