Influenza Positive Tests Reported to CDC by
U.S. Clinical Laboratories
2020-2021 Season
Week
Total A
Total B
Percent Positive A
Percent Positive B
Total # Tested
% Positive
202040
18
16
0.17
0.15
10041
0.33
202041
13
13
0.13
0.13
9727
0.26