The peak of the influenza season may have been artificially suppressed through measures to curb the pandemic, raising the possibility of a rare spring or summer surge later in the year, health experts have warned.
The 2020-21 flu season was exceptionally mild in most of the world as the curtailment of social mixing amid coronavirus curbs largely eliminated cases.
Epidemiologists and doctors have long feared that last year’s hiatus may have led to a loss of immunity that could render the world susceptible to a severe outbreak. Up to 650,000 people die each year from respiratory diseases linked to seasonal flu, according to the World Health Organization.
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