The 77th session of the UN General Assembly opened Tuesday, its new president urged world leaders to work together, build bridges to heal deep divides

Restrictions on social contact stemmed disease spread, but the costs and benefits are challenging to determine

A look at whether the omicron-specific vaccines are significantly more protective

Bharat Biotech's version for unvaccinated people is squirted into the nose, and CanSino Biologics' booster vaccine is inhaled through the mouth

Parents aren't adequately warned about the risks of cronobacter, say food safety experts.