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2025 Other Respiratory Viruses Reports
For week 5 of 2025, RSV activity decreased, with 3% (95/2916) of specimens testing positive. Rhinovirus/enterovirus activity increased slightly but remained lower than what was reported in Fall 2024 and is leveling off. Adenovirus activity decreased compared to levels reported in week 4. Human metapneumovirus and parainfluenza virus activity remained low with levels similar to previous weeks.
For week 4 of 2025, RSV activity decreased, with 5% (148/2806) of specimens testing positive. Rhinovirus/enterovirus activity increased slightly but remained lower than what was reported in Fall 2024 and is leveling off. Adenovirus activity also increased slightly compared to levels reported in week 3. Human metapneumovirus and parainfluenza virus activity remained low with levels similar to previous weeks.
For week 3 of 2025, RSV activity decreased, with 6% (227/4013) of specimens testing positive. Rhinovirus/enterovirus activity decreased as well, with 8% (55/728) of specimens testing positive. Adenovirus activity increased slightly compared to week 2. Human metapneumovirus and parainfluenza virus activity remained low with levels similar to previous weeks.
For week 2 of 2025, RSV activity decreased, with 8% (302/3753) of specimens testing positive. Rhinovirus/enterovirus activity decreased as well, with 10% (73/711) of specimens testing positive. Adenovirus activity increased slightly compared to week 1. Human metapneumovirus and parainfluenza virus activity remained low with levels similar to previous weeks.