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viral infection

Cultural  
  1. An infection caused by a virus. At present, viral infections cannot be treated with antibiotics. (Compare bacterial infection.)


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Diseases caused by viral infections include herpes, chicken pox, hepatitis, influenza, and the common cold.

Example Sentences

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Those proteins can either assist viral infection or help protect the animal.

From Science Daily Sep. 12, 2026

More than 2.4 million people today live with hepatitis C, a viral infection that primarily affects the liver and can ultimately destroy it.

From MarketWatch Aug. 13, 2026

But the pandemic has left some evidence that viral infection may play a role in reawakening dormant cancer cells present in a patient’s body before infection.

From Los Angeles Times Jun. 15, 2026

According to Public Health Wales, hepatitis A is a viral infection that affects the liver and is usually spread through contaminated food and drink.

From BBC May 6, 2026

It is my medical opinion that in Hawaii you had an episode of myocarditis triggered by a viral infection.

From "Everything, Everything" by Nicola Yoon

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