CDC
Your RSV update for March 1, 2024
March 1, 2024

ALL REGIONS
CDC surveillance shows respiratory syncytial virus (RSV) cases decreasing in all regions of the U.S. as of February 29, 2024.
- Week ending 2-17-24 = 181 (antigen detection); 3,921 (PCR detection)
- Week ending 2-24-24 = 244 (antigen detection); 2,929 (PCR detection)
See below for RSV activity specific to your region. Tap here to see RSV activity specific to your state. CDC notes that data for recent weeks may be incomplete due to delays in reporting.

REGION 1 - Northeast
CDC surveillance shows RSV cases decreasing in the Northeast Region of the U.S.
RSV detections by week (RSV numerator data, 5-week average)
- Week ending 2-17-24 = 5.750 (antigen detections); 408.250 (PCR detections)
- Week ending 2-24-24 = 4.333 (antigen detections); 361.000 (PCR detections)

REGION 2 - Midwest
CDC surveillance shows RSV cases decreasing in the Midwest Region of the U.S.
RSV detections by week (RSV numerator data, 5-week average)
- Week ending 2-17-24 = 93.250 (antigen detections); 2024.000 (PCR detections)
- Week ending 2-24-24 = 89.333 (antigen detections); 1853.000 (PCR detections)

REGION 3 - South
CDC surveillance shows RSV cases decreasing in the South Region of the U.S.
RSV detections by week (RSV numerator data, 5-week average)
- Week ending 2-17-24 = 105.500 (antigen detections); 428.750 (PCR detections)
- Week ending 2-24-24 = 95.667 (antigen detections); 367.667 (PCR detections)

REGION 4 - West
CDC surveillance shows RSV cases decreasing in the West Region of the U.S.
RSV detections by week (RSV numerator data, 5-week average)
- Week ending 2-17-24 = 43.750 (antigen detections); 1458.750 (PCR detections)
- Week ending 2-24-24 = 27.000 (antigen detections); 1323.333 (PCR detections)
Sources:
- CDC (Updated February 29, 2024). RSV National Trends.
- CDC (Updated February 29, 2024). RSV Census Regional Trends.
- CDC (Updated February 29, 2024). RSV State Trends.
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