Influenza Positive Tests Reported to CDC by
U.S. Clinical Laboratories
2019-2020 Season
Week Total A Total B Percent Positive A Percent Positive B Total # Tested % Positive
2019401361240.680.62198571.3
2019411461810.660.81221161.47
2019421721870.740.8231411.55
2019432013540.811.43246412.25
2019442215560.862.18254293.05
20194541410751.433.72288515.16
20194653515891.75.05314626.75
20194789825812.467.07364929.53
201948107727953.037.883543210.92
201949143334613.48.234202911.64
201950211549934.7811.294418716.08
201951343783776.5615.995237822.55
2019525253102058.9517.395866626.34
202001420272578.5414.754919423.29