(CNN)For the first time in over a year, millions of Americans are gathering for a major holiday without masks or physical distancing — safely.
But the majority of Americans still aren’t fully vaccinated, leading to the possibility of yet another post-holiday spike of Covid-19 infections.
“To people who are traveling and people who have been fully vaccinated, have a great time,” said Dr. Jonathan Reiner, professor of medicine and surgery at George Washington University.
“But for folks who have…
