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
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.
Recent Updates
Respiratory Illness Snapshot
- Nationally, as of June 21st, seasonal influenza and RSV activity are low, but COVID-19 activity is increasing in some areas.
- In Wisconsin, as of June 15th, COVID-19, RSV, and influenza continue to circulate at low levels. However, COVID-19 activity is increasing. Rhino/enterovirus and parainfluenza virus activities are also elevated.
Other News
- May 31st, the FDA approved Moderna's mRNA RSV vaccine, called mRESVIA, for people ages 60 and older. This is the 3rd approved RSV vaccine.
- June 5th, FDA vaccine advisers recommended switching the SARS-CoV-2 strain from XBB.1.5 variant to JN.1 for fall vaccine formulations. One June 13th, they urged companies to focus on the KP.2 lineage, if possible, based on recent shifts and a national rise in cases.
- June 10th, the FDA expanded the RSV vaccine, Arexvy, to include adults aged 50-59 years at increased risk for virus complications. This vaccine was initially approved in the fall of 2024 for all adults aged 60 or older.
- June 10th, Moderna announced positive phase 3 data for the combination vaccine against influenza and COVID-19.
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