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
201840219711.320.42165441.75
201841223831.230.46180421.69
201842311891.530.44201971.98
2018433401011.590.47213722.06
201844390991.740.44223912.18
201845546982.330.41234312.74
2018466701022.740.41244083.16
201847892743.620.3246283.92
20184810121053.590.37281833.96
20184916531505.710.51289096.23
20185031971899.690.573296010.27
201851524618313.750.473813914.23
201852681623415.80.544311216.35
201901523514111.850.314415812.17
201902506621312.220.514145212.73
201903664218015.890.434178716.32
201904828324218.850.554392219.4
2019051060027621.930.574831622.51
2019061304740724.310.755366425.07
2019071319350025.060.945264326.01
2019081349745925.350.865323926.21
2019091289938925.640.775029926.41
2019101111834124.370.744560925.12
201911872432225.080.923478026