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
201840217711.320.43164301.75
201841223831.240.46179401.7
201842310891.540.44200551.98
2018433401011.590.47212702.07
201844389991.750.44222222.19
201845542982.320.42232642.75
2018466681022.750.42242303.17
201847892733.640.29244753.94
2018489931053.540.37279983.92
20184916551505.750.52287526.27
20185032331919.850.583281510.43
201851528118513.870.483806814.35
201852682823515.870.544302116.41
201901520914111.830.324400512.15
201902502521312.210.514114212.73
201903662418015.920.434158416.36
201904827424118.910.554373319.47
2019051057327721.990.574806522.57
2019061304540724.390.765347425.15
2019071319750025.070.945263726.02
2019081349646025.370.865318726.23
2019091321742725.240.815234926.06
2019101230040124.480.795024125.28
2019111155247024.8114655525.82
201912903152521.261.234246222.5
201913494238216.81.292940718.1