As closures tend to occur concurrently with other interventions such as public gathering bans, it can be difficult to measure the specific impact of school closures.During the 1918-1919 influenza pandemic in the United States, school closures and public gathering bans were associated with lower total mortality rates.
سروشت بێت، تا ههست بکهین که بهجیهانهوه بهستراوینهتهوهTico19 Tico19