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Will omicron – the new coronavirus variant of concern – be more contagious than delta? A virus evolution expert explains what researchers know and what they don’t
B.1.617 Covid variant has sub-lineages; B.1.617.2 more infectious, says expert
‘Indian strain’ of SARS-CoV-2 spreads faster, but little evidence of it being more lethal, say experts
‘Indian strain’ of coronavirus spreads faster, but little evidence of it being more lethal: Experts