Influenza Positive Tests Reported to CDC by
U.S. Clinical Laboratories
2021-2022 Season
Week Total A Total B Percent Positive A Percent Positive B Total # Tested % Positive
20214038280.070.05494910.13
20214123290.050.06459840.11
20214226380.050.07482890.13
20214398330.190.06514030.25
202144123360.210.06564090.28
202145310360.490.05623270.55
202146682450.950.06715291.01
2021471260411.790.05700051.85
2021482348662.810.07835572.88
2021493838494.010.05956874.06
2021506497606.190.051048796.25
2021516835765.670.061204155.73
20215252001063.890.071336023.97
2022012156472.10.041024122.15