Amid a small increase in COVID-19 hospital admissions in recent days, a handful of schools and colleges across the United States have re-imposed mask mandates—or at least started recommending them.
In the most recent example, a school in Montgomery County, Maryland, announced it would mandate masking for at least 10 days after three students tested positive for the virus in one classroom. The masking rule applies to students, teachers, and other staff in the classroom, it said.
