Human parainfluenza viruses
Human parainfluenza viruses
Human parainfluenza viruses (pronunciation: /ˌpær.aɪnˈfluː.ən.zə/) are a group of viruses that cause different types of respiratory diseases in humans. The term "parainfluenza" is derived from the Greek words "para," meaning "beside," and "influenza," referring to the influenza virus.
Types
There are four types of human parainfluenza viruses:
- Human parainfluenza virus 1 (HPIV-1)
- Human parainfluenza virus 2 (HPIV-2)
- Human parainfluenza virus 3 (HPIV-3)
- Human parainfluenza virus 4 (HPIV-4)
Each type is associated with different diseases and symptoms.
Symptoms
Symptoms of infection with human parainfluenza viruses can range from mild cold-like symptoms to severe pneumonia, bronchitis, and croup. The severity of the symptoms often depends on the type of virus and the age and health status of the infected individual.
Transmission
Human parainfluenza viruses are typically transmitted through direct contact with respiratory secretions from an infected person, or by inhaling airborne droplets containing the virus.
Prevention and Treatment
There is currently no specific antiviral drug treatment or vaccine for human parainfluenza viruses. Prevention strategies include good hand hygiene and avoiding close contact with infected individuals.
See also
- Virus
- Respiratory disease
- Influenza
- Cold
- Pneumonia
- Bronchitis
- Croup
- Antiviral drug
- Vaccine
- Hand hygiene
External links
- Medical encyclopedia article on Human parainfluenza viruses
- Wikipedia's article - Human parainfluenza viruses
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