Scientists have discovered a previously unknown virus in farmed Pacific oysters during a mass die-off in B.C., Canada.

The paper said that while mass die-offs have been attributed to various factors, including viruses, in many cases, there is no definitive cause.

The confirmation by PHAC comes after Toronto Public Health said its first laboratory-confirmed case of the virus in 2025 is ...

Toronto Public Health (TPH) has confirmed the first human case of West Nile virus this year, the city said in a news release ...

The Public Health Agency of Canada says this year’s first human case of West Nile virus acquired within the country has been confirmed in Toronto. The confirmation comes after Toronto Public Health ...

Mosquitoes in Hamilton have tested positive for West Nile virus for the first time this year, leading the city to increase ...

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