Covid-19 vaccine has shown a "strong immune response" among elderly participants. Information from an earlier stage of the Oxford University and AstraZeneca vaccine candidate trial suggests "similar" immune responses among younger and older adults, scientists said.
Data on the safety and immune responses among those taking part in the phase two vaccine trial has been submitted for peer review in a medical journal.
But the findings have been discussed before publication, prompting more excitement about the vaccine - considered one of the forerunners in the Covid-19 vaccine race.
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