The long road to the perfect covid vaccine8 min read 06 Jan 2022, 10:31 PM IST
New emerging variants have shown that the quest for an effective vaccine against covid has only just begun.
There are 60 vaccine candidates currently in phase 3 of clinical trials—an indication that the quest for an improved and effective vaccine against covid-19 has only just begun
TORONTO : Merely 13 months after a 90-year-old grandmother in Britain became the world’s first person to be inoculated against the SARS-CoV-2 virus, the slate of covid-19 vaccines—developed and approved in record time—have already had their moment of reckoning. With the onset of new Omicron-fueled waves in multiple countries, soft lockdowns have returned.
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