Respiratory Viruses

Respiratory viruses cause illnesses that affect the nose, throat, and breathing passages. These viruses often result in common cold and influenza-like symptoms. Common respiratory viruses include:

 

  • Influenza
  • Parainfluenza
  • Adenovirus
  • Respiratory Syncytial Virus (RSV)

 

  • Rhinovirus/Enterovirus
  • Coronavirus
  • Human Metapneumovirus
  • COVID-19

The following surveillance tools can help public health monitor the occurrence and trends of common respiratory viruses during the respiratory illness season.

DHS: Weekly Respiratory Virus Surveillance Report

CDC: National Respiratory & Enteric Virus Surveillance System (NREVSS)

CDC: Weekly Viral Respiratory Illness Snapshot

CDC: COVID-19 Wastewater Surveillance

Recent Updates

Respiratory Illness Snapshot

  • Nationally as of November 27th, COVID-19 and RSV activity are elevated. Influenza activity continues to increase in most of the country. 
  • In Wisconsin, influenza, RSV, and COVID-19 activity continue to increase.

Other News

  • November 9th: The FDA cleared for marketing the first over-the-counter home COVID-19 antigen test. 
  • November 20th: The U.S. Department of Health and Human Services (HHS) offered another round of free COVID-19 rapid tests delivered through the mail for heading into the holiday season. People can order 4 free tests today, and those who didn't order this fall can order 8 tests.
  • November 27th: The World Health Organization (WHO) reported that the surge in respiratory infections among children in northern China is primarily driven by known viral and bacterial infections and not by a novel pathogen. The WHO also reported that the increase in infections is due to Mycoplasma pneumoniae (walking pneumonia), RSV, adenovirus, and influenza. 
  • November 29th: The CDC released a new COVID-19 wasterwater data tracking dashboard. This dashboard can track state, regional, and national trends, even by variant.
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