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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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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

Today it’s a nightmare for many onboard, under the threat of viral infection.

From Barron's May 6, 2026

There was citrus canker, a viral infection that had plagued citrus for years prior to the arrival of greening.

From Slate Apr. 20, 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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