The statewide vaccine mandate for K-12 educators comes as schools return from summer break amid growing concerns of the highly contagious Delta variant.

The researchers found that particles were blocked twice as much when two masks were worn.

All three cases were under 10 years of age, required hospitalization for 3-5 days and recovered.

President-elect Joe Biden is criticizing the Trump administration for the pace of distributing COVID-19 vaccines, saying it is “falling far behind.”