Despite their life-saving capabilities, many countries have yet to administer enough doses to reap the full benefits
Nearly six months after the first Covid-19 vaccines were approved for emergency use, Guardian analysis shows that the vast majority of the world is yet to see a substantial benefit.
Supply shortages, safety concerns, public apathy and slow rollouts have resulted in most countries still being reliant on onerous lockdowns and other quarantine measures to reduce the severity of their outbreaks.
