Un estudio de Oxford dice que su vacuna pierde menos efectividad que la de Pfizer ante la variante delta heraldo.es - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from heraldo.es Daily Mail and Mail on Sunday newspapers.
Vaccinated people can still pass on Delta variant - but protection remains high harboroughmail.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from harboroughmail.co.uk Daily Mail and Mail on Sunday newspapers.
Covid vaccines are less effective against delta, large study finds theedgemarkets.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from theedgemarkets.com Daily Mail and Mail on Sunday newspapers.
August 19
A British public health study has found that protection from either of the two most commonly used COVID-19 vaccines against the now prevalent Delta variant of the coronavirus weakens within