Influenza Positive Tests Reported to CDC by
U.S. Clinical Laboratories
2017-2018 Season
Week Total A Total B Percent Positive A Percent Positive B Total # Tested % Positive
2017402271131.470.73154382.2
201741245951.490.57164402.06
2017422781101.570.62176382.19
2017433321301.860.72178162.59
2017445032232.511.11199733.63
2017456812423.211.14211684.36
2017469333123.951.32235715.28
20174713183325.671.43232107.1
20174815084125.681.55265247.23
20174921765117.831.83277869.67
201750441679412.732.283467615.02
2017518733163318.963.544604322.51
20175211390199621.463.765307125.22
20180112565243120.914.046008224.95
20180214574308821.984.656628126.64
20180313852361521.195.536534426.73
20180415839518720.166.67853026.77
20180514353638118.048.027954626.06
20180613358755116.919.567897926.47
20180710841778414.8710.677289425.55
2018086781604911.6810.415805322.1
201809415642219.079.214581018.28
201810273432497.18.443846815.55
201811219230856.449.063402715.5
201812150920666.28.492432914.69