Could mixing Covid-19 vaccines be the perfect cocktail to speed up rollout?

Researchers at Oxford University are investigating whether ‘mixed-vaccine combinations’, such as giving one dose of the AstraZeneca vaccine followed by a second dose of the Moderna vaccine, will trigger the same immune response as two doses of the same vaccine. File picture:

UK researchers hope using different combinations of Covid-19 vaccines may help to speed up the vaccine rollout globally, as a University College Cork (UCC) scientist said the concept is not new, but requires further evidence.

Researchers at Oxford University are investigating whether ‘mixed-vaccine combinations’, such as giving one dose of the AstraZeneca vaccine followed by a second dose of the Moderna vaccine, will trigger the same immune response as two doses of the same vaccine.