 "vaccine, vaccination, coronavirus, covid")
The COVAX vaccine-sharing programme said on Tuesday it will deliver 237 million doses of AstraZeneca's Covid-19 shot to 142 countries by the end of May as it steps up the global roll-out of its vaccine supplies.
The timeline for the delivery of doses, made by AstraZeneca and by India's Serum Institute, will be split into separate two-month schedules, COVAX said in a statement, with the first in February-March and the second in April-May.
"These timelines are dependent on a variety of factors including national regulatory requirements, availability of supply, and fulfillment of other criteria such as validated national deployment and
