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
202140
35
28
0.07
0.06
43793
0.14
202141
18
27
0.04
0.07
37855
0.11
202142
10
16
0.03
0.05
30338
0.08