The first data from the U.K.?s trial on mixing coronavirus vaccines has shown a higher rate of side effects such as headache and chills than standard regimens.
Participants reported more symptoms from the Oxford/AstraZeneca jab followed by the BioNTech/Pfizer jab, and vice versa, than from standard schedules, according to early data from the
Com-COV study published in
The Lancet lateWednesday. The initial findings looked at the side effects after two doses were administered four weeks apart.
For example, around 10 percent of people reported chills after the second dose of AstraZeneca in the standard schedule. If they had receivedPfizer after AstraZeneca, that figure increased to around 40 percent, said Matthew Snape, lead investigator of the Oxford University trial.
