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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 17 of 2022, rhinovirus was the predominant circulating non-influenza respiratory virus, with approximately 15% of tested specimens positive for rhinovirus. Rhinovirus activity was stable this week, and activity remains lower than the previous season for this time of year. RSV activity also was stable this week and remains low overall, similar to previous seasons. Adenovirus activity increased slightly this week, though activity is still similar to the previous season. Human metapneumovirus activity also increased this week. Parainfluenza viruses 1 and 2 detections remain low while parainfluenza virus 3 activity continues to increase, matching previous seasonal increases.

Laboratory-Based Surveillance for RSV

Laboratory-Based Surveillance for Rhinovirus

Laboratory-Based Surveillance for Respiratory Adenovirus

Laboratory-Based Surveillance for Human Metapneumovirus

Laboratory-Based Surveillance for Parainfluenza