Israel, a world leader in coronavirus vaccinations, has reported its highest daily infection rate in three months as it scrambles to contain the spread of the new Delta variant, AP reports.

Authorities are racing to vaccinate children and are considering tighter travel restrictions at the country’s main airport.

The health ministry reported 307 new cases on Wednesday, the highest in nearly three months and a rise from 293 newly-diagnosed cases a day earlier.

The health ministry reportedly expects those numbers to jump in coming days, raising concerns that Israel is plunging back toward a crisis.

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