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 September 27th, seasonal influenza and RSV activity are low nationally and COVID-19 activity is elevated.
- In Wisconsin, as of September 21st, emergency department, laboratory testing, hospitalization, and wastewater data all show elevated COVID-19 activity. However, influenza and RSV continue to circulate at low levels.
Other News
- CDC released guidance on preventing the spread of infections in K-12 schools. This new guidance consolidates and simplifies previous recommendations, aligns with CDC's respiratory guidance, and is based on scientific studies that showed what works best to prevent the spread of many common respiratory and stomach infections.
- CDC and the Advisory Committee on Immunization Practices (ACIP) have released guidance for the use of flu vaccines for the 2024-25 influenza season.
- The U.S. Department of Health and Human Services launched a new national campaign called Risk Less, Do More to inform the public about common respiratory viruses and available vaccines.
- August 30th, the FDA authorized the updated Novavax COVID-19 vaccine to better protect against currently circulating variants.
- September 13th, the CDC reported 2 new flu-related deaths in children last week, which matches the previous high of 199 fatalities in kids during the 2019-2020 season.
- September 20th, the FDA approved FluMist, a nasal spray influenza vaccine for self- or caregiver administration.
- September 27th, Wisconsin DHS announced that the annual respiratory season letter with the summary of the 2024-2025 ACIP recommendations, signed by Dr. James Conway, Dr. Jonathan Temte, and Dr. Sheryl Bedno, is now available.
- As of September 30th, Wisconsin has 758 confirmed cases of pertussis, compared to 51 reported in 2023. 53 counties have had at least one case since January 1st, 2024.
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