Coronavirus: mixing AstraZeneca and Pfizer vaccines triggers more fatigue, headaches, Oxford study shows

May 13, 2021 | INVESTING

Mixing doses of two leading Covid-19 vaccines increased patients’ side effects such as fatigue and headaches in early findings from a study that has yet to show how well such a cocktail defends against the virus.People who got a first dose of AstraZeneca’s shot followed by Pfizer’s vaccine four weeks later reported more short-lived side effects, most of them mild, researchers from the University of Oxford reported in The Lancet medical journal. That was also true when the order of the shots was…

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