Covid-19: Countries using China, Astra shots increasingly eye boosters


Source: indiatimes.com indiatimes.com

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DUBAI: Growing concern that Covid-19 vaccines being deployed across much of the developing world aren’t capable of thwarting the delta variant is prompting some countries to look at offering third doses to bolster immunity against more-infectious virus strains. Though definitive evidence is yet to emerge backing the need for so-called “booster” shots, health officials from Thailand to Bahrain and the United Arab Emirates have already decided to offer the extra doses to some people already inoculated with vaccines from Chinese makers Sinovac Biotech Ltd , Sinopharm and from AstraZeneca . Officials are being motivated by concerns that delta and other...