Here what the study suggestedThe yet-to-be peer-reviewed research found that extending the second dose interval to 12 weeks increased the peak SARS-CoV-2 spike specific antibody response 3.5-fold compared to those who had the second vaccine at three weeks.
The team concluded that extending administration of the second Pfizer vaccine to 12 weeks potentially enhances and extends antibody immunity."SARS-CoV-2 vaccines have been remarkably effective in providing large-scale protection against infection and symptomatic disease - but many questions remain regarding their optimal delivery for provision of effective and sustained immunity," said study first author Helen Parry, from the University of Birmingham, UK."The study is crucial,.