Experts say Covid-19 vaccinations in the US are continuing at an impressive pace, and now all Americans 16 and up can get a shot. But a leading health official said that the country remains in a “complicated stage.”
Experts say Covid-19 vaccinations in the US are continuing at an impressive pace, and now all Americans 16 and up can get a shot. But a leading health official said that the country remains in a “complicated stage.”