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
2019401361240.680.62198571.3
2019411461810.660.81221161.47
2019421721870.740.8231411.55
2019432013540.811.43246412.25
2019442215560.862.18254293.05
20194541410751.433.72288515.16
20194653515891.75.05314396.75
20194789825812.467.07364929.53
201948107627943.047.893539310.93
201949142534613.398.254192511.65
201950215550984.7911.354491116.14
201951369485706.815.785427922.59
2019525972112539.3517.636380426.99
202001565196378.714.846493423.54
2020026094791710.0713.096047023.17
2020037699801912.813.336012026.14
2020049283854614.6313.476344228.1
20200511860940016.7713.297068230.07
20200612681847918.1412.136989230.27
20200713049694619.3710.316735829.68
20200812347552619.628.786292328.4
20200911316421018.86.996016025.8
2020108680251916.354.745306321.1
2020115297163011.723.64516715.33