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Launch of Preg-CoV study looking at gap between COVID-19 vaccine doses in pregnant women

Preg-CoV will be the UK’s largest clinical trial investigating the best gap between first and second COVID-19 vaccine doses for pregnant women.  The study, with £7.5 million of government funding and being led by St George’s, University of London, will provide clinical trial data on the immune response to vaccination at different dose intervals – either four to six weeks, or eight to 12 weeks.

The trial will involve over 600 pregnant women being vaccinated with either the Pfizer/BioNTech or the Moderna vaccine.  They will be closely monitored by health professionals throughout their pregnancy and following the birth.

journalists dialled in to this briefing to hear from the scientists involved about how the trial will work. Please note there are no data or results yet – this is just the launch of the study, and provided an opportunity for science journalists to ask their questions if they have them.


Speakers included:

Prof Paul Heath, Chief Investigator and Professor of Paediatric Infectious Diseases at St George’s, University of London

Prof Asma Khalil, lead obstetrician for the trial and Professor of Obstetrics and Maternal Fetal Medicine at St George’s, University of London and St George’s Hospital

Dr Pat O’Brien, Vice President at the Royal College of Obstetricians and Gynaecologists

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