COVID-19 caused 21% excess of respiratory infections last winter, analysis finds Adults aged 30 to 39 years had the highest cumulative incidence, with 208 infections per 100 people. CIDRAP

A new study based on German data shows that SARS-CoV-2 caused a 21% excess of acute respiratory infections (ARIs) during the winter of 2022-23. The study was published this week in the International Journal of Infectious Diseases and suggests COVID-19 will add a significant burden during cold and flu seasons.