Respiratory Infection
About Parainfluenza 1–4
Human parainfluenza viruses (HPIV 1–4) cause upper and lower respiratory illness, and infections are more severe in children, older adults and people with weakened immune systems.
HPIV-1 is the leading cause of croup in children, and HPIV-2 is also linked to croup. HPIV-3 commonly causes pneumonia and bronchiolitis, often in spring and early summer, while HPIV-4 usually causes mild or no symptoms.
Symptoms
- Fever, runny nose and cough
- Croup — swelling near the vocal cords
- Bronchitis or bronchiolitis
- Pneumonia
Test Options
Ask our team about testing for parainfluenza. Call 1-888-DNA-TEST or WhatsApp 1-876-436-8955 for current availability, sample requirements and turnaround.