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
2017402271141.470.73154102.21
201741247981.490.59164712.09
2017422741091.550.61176402.17
2017433311301.850.72178262.58
2017445042222.511.1200043.62
2017456842473.211.16212574.37
2017469373193.941.34237755.28
20174713163395.61.44234797.04
20174815134265.631.58268287.22
20174921815217.761.85280839.62
201750445781512.692.323510015.01
2017518823166518.913.564664322.48
20175211486199821.373.715374825.08
20180112672244520.854.026077524.87
20180214685310521.874.626714426.49
20180313980365221.185.536598126.72
20180416014522620.226.67917426.82
20180514504639918.097.988015226.07
20180613483756416.979.527943826.49
20180710926781414.910.657332125.55
2018086879608811.7110.365871822.08
201809419042479.069.184624518.24
201810277733327.058.463936815.51
201811227432086.439.083532815.51
201812190628556.049.053151815.1
201813163627485.619.432911515.05
201814106521694.138.422574012.56
20181584018313.517.662387511.18
20181655013342.726.61201669.34
20181744410302.295.33193217.62
2018183356972.014.19165976.21
2018191864301.282.98144284.26
2018201692281.321.78127493.11
2018211141570.991.36115092.35
20182276860.710.81105851.53
20182371790.70.78100711.48
20182449650.550.7387931.29
20182546380.550.4583071.01
20182656290.730.3875811.12
20182742230.680.3761321.06
20182846140.730.2262470.96
20182947150.820.2657131.08
2018302160.460.1344860.6