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Other Respiratory Viruses

View Previous Years

The following graphs depict the aggregate results of PDPH's respiratory virus surveillance. Care should be taken with the interpretation of these results. These summaries display the provisional, year-to-date counts (or, in some cases, percentage positivity) of respiratory viruses by week of report. Comparable data for preceding years are shown as well. All surveillance data are preliminary and are not intended for further distribution.

Activity Summary

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.

Laboratory-Based Surveillance for RSV

Laboratory-Based Surveillance for Rhinovirus/Enterovirus

Laboratory-Based Surveillance for Respiratory Adenovirus

Laboratory-Based Surveillance for Human Metapneumovirus

Laboratory-Based Surveillance for Parainfluenza