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Transmission of SARS-CoV-2 delta variant (AY.127) from pet hamsters to humans, leading to onward human-to-human transmission: a case study thelancet.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from thelancet.com Daily Mail and Mail on Sunday newspapers.
Protection is low without boosters, the authors of a new study find. The findings also have immediate implications for the more than 40 countries who have used the CoronaVac vaccine. ....