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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 45 of 2022, RSV and rhinovirus were the predominant circulating non-influenza respiratory viruses, with approximately 21% of tested specimens positive for RSV and rhinovirus each. RSV percent positivity remains higher than previous seasons but has continued to decrease in the past few weeks after its early season peak. Rhinovirus percent positivity was similar to previous seasons for this time of year and has decreased again after an increase in activity in the previous week. Adenovirus and parainfluenza virus 1 activity continued to increase, while human metapneumovirus, parainfluenza virus 2, and parainfluenza virus 3 activity remained low.

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