Health information to help you understand symptoms. It isn't a diagnosis.
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RSV test

Also called: Respiratory syncytial virus test, Respiratory viral panel

An RSV test checks a nose swab for respiratory syncytial virus, a common cause of bronchiolitis in babies.

SampleA nose swab
Fasting?Usually not needed
ResultsMinutes to a day
Good to knowOne result rarely tells the whole story. Your provider looks at your results together with your symptoms, exam, and other tests.

What the test is

Many clinics test for RSV, COVID-19, and flu together.

Why it's done

  • Wheezing or trouble breathing in babies and young children
  • Severe respiratory illness in older adults

Getting ready and what happens

  • No preparation is needed.

How the test is done

  • A swab of the nose.

What the results mean

Positive

Care is mainly supportive: fluids, suction, and watching breathing.

When a result needs quick action

Call 911A baby working hard to breathe, pausing breathing, or turning blue or gray
Call your provider todayA baby feeding poorly or with fewer wet diapers

Questions to ask your provider

  • What do my results mean for me?
  • Do I need to repeat this test or have other tests?

Related conditions

Related tests

Sources

Last updated 2026-11-13.