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Un estudio de Pfizer revela que su vacuna genera menos anticuerpos contra la cepa sudafricana del coronavirus
rt.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from rt.com Daily Mail and Mail on Sunday newspapers.
Pfizer anunció que la variante sudafricana reduce la eficacia de su vacuna contra el coronavirus
cronista.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from cronista.com Daily Mail and Mail on Sunday newspapers.
La mayoría de las mutaciones matan al COVID, pero hay 5 que preocupan
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Pfizer y BioNTech confirman que su vacuna es eficaz contra variantes del COVID-19
laverdadnoticias.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from laverdadnoticias.com Daily Mail and Mail on Sunday newspapers.
¿Cómo afecta la mutación del coronavirus a la campaña de vacunación?
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