Weekly influenza update, week 16, April 2023

Following a peak at week 51/2022, influenza activity had been decreasing across the Region until week 4/2023 when it reached 21% positivity, before rising again to fluctuate around 25% positivity between weeks 6 and 11/2023 and is coming to an end with positivity falling below the 10% seasonal threshold in week 16/2023 (9%).