Human parainfluenza viruses (HPIVs) commonly cause respiratory illnesses in infants and young children. But anyone can get HPIV illness. Symptoms may include fever, runny nose, and cough. Patients usually recover on their own. However, HPIVs can also cause more severe illness, such as croup or pneumonia.
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About Human Parainfluenza Viruses
Describes the viruses, how they spread, symptoms and illnesses, prevention, treatment... -
For Healthcare Professionals
Clinical overview, and information on laboratory diagnosis, treatment, prevention... -
HPIV Seasons
General information about the times of the year when HPIV infections are most common... -
Resources & References
Links to resources and scientific articles about HPIVs...
HPIVs Are Not the Same as Influenza (Flu) Viruses
- People usually get HPIV infections more often in the spring, summer, and fall. Influenza (flu) is more common in the winter.
- Flu vaccine will not protect you against HPIV infections.
How HPIVs Spread
HPIVs spread from an infected person to other people through—
- the air by coughing and sneezing,
- close personal contact, such as touching or shaking hands, and
- touching objects or surfaces with the viruses on them then touching your mouth, nose, or eyes.
- Page last reviewed: August 18, 2015
- Page last updated: August 18, 2015
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