Dr. Clare Craig points out an error by vaccines minister Nadhim Zahawi about what 60% vaccine efficacy means. If vaccines have 60% efficacy that does not mean that 60% cannot be infected. It means that if 90% of unvaccinated household contacts don’t catch it from index case, then if they were vaccinated that rises to … Continue reading Major misunderstaning by vaccines minister Nadhim Zahawi – Dr. Clare Craig