Influenza Positive Tests Reported to CDC by
U.S. Clinical Laboratories
2024-2025 Season
Week Total A Total B Percent Positive A Percent Positive B Total # Tested % Positive
202440390560.580.08661660.67
202441414540.590.07697180.67
202442465630.630.08727660.72
202443644860.850.11756030.96
202444843741.120.09751771.21
2024451088841.410.1767171.52
20244616041261.950.15819592.11
20244722911672.640.19867352.83
20244831221873.720.22838103.94
20244948032614.880.26983015.15
20245087603688.240.341062208.59
2024511700451313.760.4112354014.17
2024522328861217.760.4613107318.23
2025012461466017.740.4713873018.21
2025022390070017.870.5213371318.39
2025033280892623.170.6514159323.82
20250441300129327.880.8714812028.75
20250552929211330.431.2117391931.64
20250653136290029.781.6217840131.41
20250741545317725.851.9716065527.83
20250830274361121.392.5514151623.94
20250922365359816.772.6913328419.47
20251014896367712.713.1311713915.85
2025111059037799.813.510792813.31
202512650539506.674.059744210.72
202513445838914.954.32900529.27
202514284534153.464.15821037.62
202515179229692.363.92757396.28
202516127024541.823.52696345.34
20251781419081.363.21594314.58