One-shot Sputnik Light vaccine demonstrates 70 per cent efficacy against Delta variant: Gamaleya…
The vaccine is more than 75 per cent effective among subjects under the age of 60. Sputnik Light also provides much higher…
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COVID-19 delta variant
BioNTech says repeats of its COVID-19 vaccine better than devising new one, for now
The German biotech firm said that offering a third dose of its established two-shot vaccine remained the best response to concerns…
Israel reports decrease in Pfizer vaccine effectiveness against infections
The decline coincided with the spread of the Delta variant and the end of social distancing restrictions in Israel
Pfizer says COVID vaccine is highly effective against Delta variant
First identified in India, Delta is becoming the globally dominant variant of the coronavirus, according to the World Health…