Вакцины COVID: сочетание AstraZeneca и Pfizer может повысить иммунитет Новое исследование express-novosti.ru - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from express-novosti.ru Daily Mail and Mail on Sunday newspapers.
they are calling it a precautionary measure until they can better understand how the more highly contagious variant is spreading. officials say that the delta variant is making up near will he half of all covid cases tracked in l.a. county. and here is good news, nexting vaccine brands is just fine. a uk funded study shows that the astrazeneca shot followed by a pfizer shot produced a strong immune response even stronger than just the astrazeneca shots alone. however, the response wasn t quite as strong as two doses of pfizer. so pfizer still reigning supreme. and the study still needs review, but the lot line is that mixing doses is an option.lot l mixing doses is an option. and that is good news where there is a harder time trying to get consistent dosing.