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
20180112592243120.954.046008225
20180214574308821.874.636661826.51
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
201810274732877.18.493867915.6
201811223631776.439.143474115.58
201812185428005.979.033100615
201813159926875.579.372865714.95
201814104621374.128.412538612.53
20181582818003.517.642354611.16
20181654312962.746.55197749.3
2018174339652.55.57173008.08
2018183246472.124.24152366.37
2018191773861.342.94131204.29
2018208510111.1984262.2