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
2017402261141.470.74153142.22
201741245971.490.59163402.09
2017422741091.560.62175112.18
2017433291291.860.72176842.58
2017445022202.521.1198653.63
2017456802423.221.14210834.37
2017469353153.951.33236275.29
20174713143365.631.44233187.07
20174815064135.651.55266137.21
20174921745127.791.83278789.63
201750442679812.72.293482714.99
2017518756162918.953.524619522.48
20175211390198121.383.715327025.1
20180112560240820.8946010524.9
20180214584308821.914.636655926.55
20180313914362721.245.536549326.78
20180415948518220.276.587866426.86
20180514466636718.147.987972226.13
20180613441753517.019.537901826.54
20180710902777414.9410.657293525.6
2018086846605611.7710.415815922.18
201809418342239.139.214580418.35
201810277233167.118.513896515.62
201811227331996.499.133500415.63
201812190628436.089.073131615.16
201813163427385.649.462893415.11
201814106421674.158.462559412.62
20181583918223.537.672375211.2
20181655013322.746.65200219.4
20181744310282.35.35192087.65
2018183356972.034.22164976.25
2018191854291.292.99143354.28
2018201602141.271.7125572.97
2018211141570.991.37114092.37
20182275850.710.8104961.52
20182371780.710.7899241.5
20182449650.580.7784351.35
20182545380.60.574881.1
2018262280.430.1550430.59