News Snapshot:
Growing concern that COVID-19 vaccines being rolled out across much of the developing world may not be able to thwart the Delta variant is leading some countries to consider offering third doses to boost immunity against strains. most infectious viruses. Although definitive evidence to support the need for so-called ‘booster’ injections has not yet emerged, health officials in Thailand, Bahrain and the United Arab Emirates have already decided to offer the additional doses to some people who have already been inoculated with vaccines. from Chinese manufacturers Sinovac, Sinopharm and AstraZeneca. Officials are motivated by concern that Delta and other variants...
