Communicable Diseases Intelligence 2020 - Report on ...

During 2018, influenza notification rates in Australia were highest in children under 10 years of age;22 this correlated with observations during the 2018–2019 Canadian influenza season, in which A(H1)pdm09 viruses also predominated.25 This is postulated to be a result of lower population immunity levels to A(H1)pdm09 in children under 10 ... ................
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