Influenza Positive Tests Reported to CDC by
U.S. Clinical Laboratories
2017-2018 Season
Week Total A Total B Percent Positive A Percent Positive B Total # Tested % Positive
2017402271131.470.73154392.2
201741245951.490.57164402.06
2017422781101.570.62176382.19
2017433321301.860.72178162.59
2017445032232.511.11199643.63
2017456812423.211.14211684.36
2017469333123.961.32235535.28
20174713163325.671.43231787.11
20174815084125.691.55264867.24
20174921685107.811.83277459.65
201750440379212.712.283461515
2017518700162719.013.554575322.57
20175211316198521.493.775264025.26
20180111198215020.83.995382824.79
20180210622227221.064.55043525.56