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Change in 12-month hospitalization rates (per 1000) of all-cause and RSV-associated ALRI by age group, before and after the onset of the COVID-19 pandemic. (A) 12-month all-cause ALRI moving average hospitalization rate. (B) 12-month RSV-associated ALRI moving average hospitalization rate. Black arrows denote the time interval used for calculating the 12-month hospitalization rates. Red vertical line: lockdown in Croatia on 16 Mar 2020.
