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“The delta variant has raised the stakes,” Maureen Miller, an adjunct associate professor of epidemiology at Columbia University’s Mailman School of Public Health, told ABC News. “The most important thing about the masks is that you wear them properly.”
The key thing is making sure the mask completely covers one’s mouth and nose.
“If it’s not covering your nose, or if it’s on your chin, it’s not going to protect you,” Miller added.
Read the full story at ABC News | Health.
