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
20194653515891.75.05314396.75
20194789825812.467.07364929.53
201948107627943.047.893539310.93
201949142534603.48.254190611.65
201950215450964.7911.344490016.14
201951368885586.815.775423522.57
2019525967112469.3617.646372127.01
202001564396218.714.846479723.55
2020026080789710.0713.086033423.16
2020037691798312.8313.315993526.15
2020049275850214.6613.436326128.1
20200511837936516.7913.297046530.08
20200612529840218.1312.156910130.29
20200712661679319.3410.376546329.71
2020087633361617.928.494258726.41