Abstract
The simple answer to the title question is very. As the COVID-19 pandemic raged through 2020–21, little to no influenza activity was detected.1 It was hypothesised that interventions imposed to curb COVID-19 had a positive effect on influenza transmission. This, coupled with the focus on producing and distributing SARS-CoV-2 vaccines might have reduced the levels of influenza immunity in the population that are raised through natural infection or vaccination. Consequently, this has prompted a gut-feeling among the influenza public health and research communities that the influenza seasons post-COVID-19 are going to be severe.
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