Influenza Positive Tests Reported to CDC by
U.S. Clinical Laboratories
2018-2019 Season
Week Total A Total B Percent Positive A Percent Positive B Total # Tested % Positive
201840218691.320.41164921.74
201841222811.230.45179801.68
201842311891.540.44201281.98
201843337981.580.46213022.04
201844389981.740.43222812.18
201845543952.330.4233042.73
201846667992.740.4242883.15
201847893723.640.29245113.93
2018489981033.550.36280633.92
20184916581475.740.5288356.25
20185032351889.830.573289210.4
201851528217913.840.463813814.31
201852683523115.870.534305716.41
201901522113511.850.34405012.15
201902484920412.130.513994512.64
201903632216615.750.414013316.16
201904784022718.670.544198519.21
2019051017025921.950.554633122.5
2019061169931624.730.664730225.4
2019079936274260.713820826.72