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
2020049438877914.6713.646433428.31
20200512045965916.7913.467172930.25
20200612890876418.1412.337102830.48
20200713251714919.3810.456836629.83
20200812585569119.688.96393428.58
20200912274432820.097.086108427.17
20201010233308017.095.145986822.23
2020116723197511.473.375857914.84
20201227488335.321.61515706.94