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
20214037280.070.05471250.13
20214123290.050.06439840.11
20214223330.040.07463780.12
20214397320.190.06494400.26
202144120350.220.06540480.28
202145306360.510.06598040.57
202146594440.940.06631651.01
202147903331.560.05575331.62
2021481489432.530.07587672.6