Can adults get RSV too, and how serious can it be?

Reviewed by Yoshinori Abe, MD

Internal Medicine

Can adults get RSV? Yes. Respiratory syncytial virus (RSV) affects people of all ages, and while it often causes mild, cold-like symptoms in healthy adults, it can lead to serious complications in older adults (65+), people with chronic heart or lung conditions, and those with weakened immune systems. In these groups, RSV may cause pneumonia, bronchitis, or worsening of existing conditions, sometimes requiring hospitalization.

Because RSV symptoms overlap with the flu, COVID-19, and the common cold, it can be difficult to know what you're dealing with on your own. If you're experiencing respiratory symptoms and want clarity fast, try a free, instant, online symptom check to better understand possible causes and identify the right next steps for care—before symptoms worsen.

Reviewed for medical accuracy: 07/20/2026

Important Next Steps

Learn if RSV symptoms need urgent care Discover likely causes of your RSV symptoms See whether your illness could worsen Find OTC relief for RSV symptoms Find an RSV specialist near you Understand safe home remedies for RSV Check if RSV needs medical attention

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Explanation

Respiratory Syncytial Virus (RSV) is not just a concern for children; adults can get it too. While many adults experience mild, cold-like symptoms, RSV can be more serious for some people.

Who is at Risk?

Older Adults: People over 65 may have a harder time fighting off RSV.
Weakened Immune Systems: Those with weakened immune systems or chronic heart and lung diseases may face more severe symptoms.

Symptoms

Mild Cases: Often look like a cold with runny nose, cough, and fever.
Severe Cases: Can lead to pneumonia or bronchiolitis, which are more serious lung infections.

If you're experiencing respiratory symptoms and want to better understand what might be causing them, consider taking this free AI symptom checker to get personalized insights in minutes.

Prevention

Hygiene: Washing hands often and avoiding close contact with sick people can help prevent the spread of RSV.
Vaccination: There are ongoing efforts to develop vaccines for those at higher risk.

In summary, while RSV can be mild for many adults, it can become serious for older adults or those with certain health conditions. It's important to take preventive measures to protect oneself and others.

(References)

Wildenbeest JG, Lowe DM, Standing JF, & Butler CC. (2024). Respiratory syncytial virus infections in adults: a narrative .... The Lancet. Respiratory medicine, 39265602.
Nam HH, & Ison MG. (2019). Respiratory syncytial virus infection in adults - PubMed - NIH. BMJ (Clinical research ed.), 31506273.
Estofolete CF, Banho CA, Verro AT, Gandolfi FA, Dos Santos BF, Sacchetto L, et al. (2023). Clinical Characterization of Respiratory Syncytial Virus .... Viruses, 37766255.

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