A drug’s nearly two-year journey from a university lab, sped by a partnership with drug giant Merck, is the latest example of the unlikely sources of pandemic antidotes.
The logistical dance required to make doses safe for children is among the challenges confronting researchers evaluating the vaccines in the youngsters.
Criminal organizations and individuals claiming access to Covid-19 vaccines have contacted authorities in dozens of countries including Italy and Colombia, hoping they will sign...
