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
20180214530307721.924.646628126.56
20180313859361621.195.536537826.72
20180415841519020.166.67855526.77
20180514355638518.038.027958426.06
20180613359755416.99.567901126.46
20180710842778514.8610.677292925.54
2018086782605211.6710.425808022.09
201809415742279.069.214584818.28
201810274732877.18.493867315.6
201811222931636.439.133464315.56
201812185227955.999.043091715.03
201813158526645.69.412828615.02
201814101620904.098.422481112.51
20181581417583.567.692283911.26
2018164299742.716.16158018.87