“World Health Organization authorities advised fully immunized people to continue to wear masks, social distance and practice other pandemic-related security steps as the delta variant spreads across the world. The Centers for Disease Control and Prevention, nevertheless, affirmed Wednesday that its leaving it up to states and regional health officials to set guidelines around mask-wearing. Murthy said the CDC guidance was based on offering people versatility.
- Delta Variant in N.Y.C.: What to Know – The New York Times
- U.S. surgeon general says Johnson & Johnson Covid vaccine may protect people against delta variant – CNBC