Research finds two doses of Pfizer Covid-19 vaccine elicits strong antibody immune responses in older people
The results of a study (not yet peer reviewed) of 100 people aged 80-96 who had two doses of the Pfizer Covid-19 vaccine 3 weeks apart (prior to policy change) found 98% had a strong antibody immune response; those with previous infection had a peak response after just one dose.
Source:
Reuters Health
SPS commentary:
The research, led by the University of Birmingham, was carried out in collaboration with Public Health England and the UK Government’s Vaccine Taskforce. It has been published on The Lancet’s pre-print server and is yet to be peer reviewed.