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Updated : 4 years, 8 months ago IST
Geneva [Switzerland], September 5 (ANI): The World Health Organisation (WHO) on August 30 listed the Mu Covid-19 variant as a 'variant of interest'.
Updated : 5 years, 1 month ago IST
New York [US], April 1 (ANI): The ongoing Phase 3 clinical trial of Pfizer/BioNTech's coronavirus vaccine has confirmed its protection lasts at least six months after the second dose.