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
20200512074966016.7813.427193230.21
20200612903875218.1212.297120530.41
20200713287715319.3710.436856529.81
20200812647573119.618.896446028.51
20200911615434518.847.056162325.89
20201010962335917.315.36329822.62
2020118693257412.153.597150815.75
202012386712805.51.82702387.32
2020136652561.570.6423142.17
2020141391010.480.35287730.83
20201542370.220.19186290.42
20201625210.230.19106510.43