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
201902485120912.110.524004612.63
201903633416815.720.414028016.14
201904788122818.620.534232419.15
2019051018826321.860.564659322.43
2019061246439324.170.765156324.93
2019071112231025.510.714358426.22
2019081002728925.630.733910726.37