'Strong' start to kids vaccine campaign, but challenges loom

The campaign to vaccinate elementary school age children in the U.S. is off to a strong start, health officials said Wednesday, but experts say there are signs that it will be difficult to sustain the initial momentum.


COVID-19 vaccine campaign expands to elementary-age children

The U.S. enters a new phase Wednesday in its COVID-19 vaccination campaign, with shots now available to millions of elementary-age children in what health officials hailed as a major breakthrough after more than 18 months ...

Diseases, Conditions, Syndromes

'Delta plus' variant surfaces in 8 U.S. states

(HealthDay)—U.S. health officials say they're keeping close watch on a 'Delta plus' variant that's been detected in at least eight states.