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Showing results for viral infection. Search instead for viral-infections.

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

Correction, April 22, 2026: This piece originally misstated that citrus canker is a viral infection.

From Slate Apr. 20, 2026

The government in January rolled out a 10-year drive to vaccinate nearly 20 million cattle against the highly contagious and sometimes deadly viral infection.

From Barron's Mar. 13, 2026

These symptoms occur without a viral infection and typically appear within one to three days after vaccination.

From Science Daily Dec. 27, 2025

“It’s a viral infection commonly known as the ‘kissing disease,’” he added.

From "Breaking Through" by Francisco Jiménez

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