Influenza Positive Tests Reported to CDC by
U.S. Clinical Laboratories
2019-2020 Season
Week Total A Total B Percent Positive A Percent Positive B Total # Tested % Positive
2019401361240.680.62198511.3
2019411461810.660.81221131.47
2019421721870.740.8231311.55
2019432013540.811.43246302.25
2019442215560.862.18254173.05
20194541410751.433.72288425.16
20194653515891.75.05314396.75
20194789825812.467.07364739.53
201948107627933.047.893537010.93
201949142534613.48.254191111.65
201950215550974.811.354488816.15
201951369585796.7815.755444522.54
2019525975112619.3317.66398126.93
202001564496588.6614.826513623.49
2020026109792710.0613.066068523.12
2020037711801712.7813.296029626.08
2020049478876214.6913.586448628.28
20200512040964516.7813.447171730.23
20200612881874518.1412.317099830.46
20200713233714919.3610.466834029.82
20200812598571919.618.96421328.52
20200911584434418.857.076143825.92
20201010926335617.325.326307722.64
2020118640256212.213.627074315.83
202012385312775.531.83696567.36
2020136552531.590.61410992.2
2020141371000.490.35278910.84
20201536330.220.2159780.43