Prepare for the End of Maternal Vaccination for RSV on January 31, 2025
This message is being sent to VFC providers, local health officers, Tribal health directors, local health nurses, local health staff, VFA providers, Wisconsin vaccinators, and select DHS staff.
In Wisconsin, the RSV season starts in the fall and goes until the spring (typically October through March). To protect infants, the Advisory Committee on Immunization Practices (ACIP) recommends maternal vaccination for RSV (Abrysvo) be administered September 1–January 31. The long-acting infant monoclonal antibody immunization (Beyfortus/nirsevimab) given to infants should be administered October 1–March 31. Most infants do not need both.
Providers should make a clear note in the birthing person’s chart upon receipt of Abrysvo (or confirmation of receipt of Abrysvo) and encourage patients to bring a hard copy of their vaccination records to the birthing facility to inform infant immunization needs. Beyfortus should continue to be administered to eligible infants through March 31, ideally within one week of birth.
CDC provides key points for this recommendation:
- Administration of maternal RSV vaccine starting in September (at least one month before the start of the RSV season) and continuing through January 31 (at least two months before the end of the RSV season) maximizes the cost-effectiveness and benefits of the vaccine.
- RSV vaccine administered after January 31 may not be covered by the pregnant person’s insurance.
- All infants born between October through March to a pregnant person who did not receive RSV vaccine should be offered nirsevimab, the RSV monoclonal antibody immunization.
For more information about RSV vaccine guidance for pregnant people visit the CDC's website.
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