Enhanced surveillance for heterosexually acquired syphilis in London and the former north east Thames region.
D004196:Disease Outbreaks / Q000517:prevention & control*; D005260:Female; D020010:Heterosexuality; D006801:Humans; D008131:London / Q000453:epidemiology; D011159:Population Surveillance / Q000379:methods*; D011247:Pregnancy; D011296:Prenatal Diagnosis; D013587:Syphilis / Q000453:epidemiology / Q000517:prevention & control*