Wastewater Surveillance to Confirm Differences in Influenza A Infection between Michigan, USA, and Ontario, Canada, September 2022–March 2023
Ryland Corchis-Scott
, Mackenzie Beach, Qiudi Geng, Ana Podadera, Owen Corchis-Scott, John Norton, Andrea Busch, Russell A. Faust, Stacey McFarlane, Scott Withington, Bridget Irwin, Mehdi Aloosh, Kenneth K.S. Ng, and R. Michael McKay
Author affiliations: University of Windsor, Windsor, Ontario, Canada (R. Corchis-Scott, M. Beach, Q. Geng, A. Podadera, O. Corchis-Scott, K.K.S. Ng, R.M. McKay); Great Lakes Water Authority, Detroit, Michigan, USA (J. Norton, A. Busch); Oakland County Health Division, Oakland, Michigan, USA (R.A. Faust); Macomb County Health Department, Macomb, Michigan, USA (S. McFarlane); Detroit Health Department, Detroit (S. Withington); Windsor-Essex County Health Unit, Windsor (B. Irwin, M. Aloosh); McMaster University, Hamilton, Ontario (M. Aloosh)
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Figure
Figure. Influenza-associated hospitalization rates and aggregate population-weighted wastewater concentrations for influenza A virus, by epidemiologic week, in Windsor-Essex, Ontario, Canada, and Detroit, Michigan, USA, September 2022–March 2023. The population-weighted PMMoV normalized IAV concentration (lines) is superimposed over the rate of influenza-related hospitalizations (bars). DTW, Detroit wastewater; IAV, influenza A virus; PMMoV, pepper mild mottle virus; WEC, Windsor-Essex County wastewater.
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