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.

Vaccination

'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.

Vaccination

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 ...