Spotlight on influenza 2021 (IMAGE)
Caption
In the northern hemisphere, annual seasonal influenza activity usually causes a high burden of disease during the winter months. Since March 2020, however, the virus has been circulating at unprecedented low levels. What does this mean for the coming season and influenza surveillance? In its ‘Spotlight on influenza 2021’, Eurosurveillance presents a series of articles that describe various aspects of the disease, including surveillance and prevention.
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ECDC
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Original content