As schools prepare for the fall, other mitigation measures like ventilation and masking will continue to be key, health experts say. A recent analysis from the CDC and the Georgia health department found that improving ventilation, along with requiring masks among teachers and staff, helped reduce COVID-19 cases in Georgia elementary schools.

Schools may also need to anticipate other outbreaks. After low flu levels this season, experts anticipate the next one may be a \"bad year for flu,\" Broadhurst said. Some tests are being developed that test for both COVID-19 and influenza A and B, though it's unclear how schools may act on that information, she said.

\"That's going to be a complicating factor for individual and community experience coming into the fall,\" she said. \"That I think is a question that is still being grappled with.\"

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