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.
About Human Parainfluenza VirusesDescribes the viruses, how they spread, symptoms and illnesses, prevention, treatment...
For Healthcare ProfessionalsClinical overview, and information on laboratory diagnosis, treatment, prevention...
HPIV SeasonsGeneral information about the times of the year when HPIV infections are most common...
Resources & ReferencesLinks 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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