Virus from marine animals is causing weird eye problems in people

image via New Scientist

April 1, 2026, 12:00 PM

• •A virus from marine animals is causing glaucoma-like symptoms in humans.
• •The virus, covert mortality nodavirus, is linked to contact with aquatic animals or seafood.
• •Possible human-to-human transmission within families has been observed.
• •The virus is globally present in many aquatic species.

A previously unknown virus, typically found in marine animals, has infected humans, leading to glaucoma-like symptoms and vision loss. The virus, identified as covert mortality nodavirus, is believed to have spread through contact with infected seafood or aquatic animals. Research indicates potential human-to-human transmission within families, raising biosecurity concerns. The virus's global presence in various aquatic species and its impact on the eyes of humans highlights the need for further investigation.

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