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Follow RT on A Spanish study has suggested that administering a second dose of Pfizer to those who received AstraZeneca as their first dose is safe. It saw antibodies increase seven-fold compared to those who were given no second jab at all.
The CombivacS study, which enrolled 676 participants who had already received a first dose of AstraZeneca and gave them a second dose of Pfizer, has produced positive preliminary results. Of the total cohort, 450 people were given Pfizer as their second dose, and the remaining 226 have not received any second dose and are being observed as the control group.
Published on Tuesday, the study, launched by the Carlos III Health Institute, reported that the combination was both safe and effective. Jesus Antonio Frias, coordinator of the ISCIII Clinical Research Network, said,
Professor Iracema Leroi, Discipline of Psychiatry, School of Medicine and the Global Brain Health Institute (GBHI), Trinity College, has been announced today as a one of six recipients of the Health Research Board (HRB)’s Clinical Research Network Awards.