“…In contrast, Streptococcus pyogenes, although at one time an important cause of infection in obstetric units (Colebrook and Kenny, 1936), is now not often encountered. However, our experience with this streptococcal outbreak is not unique and there are a number of reports in the literature demonstrating how rapidly and unexpectedly a maternity unit may be invaded by this pathogen, leading to deaths in neonates from overwhelming infection (Boissard POSTGRADUATE MEDICAL JOURNAL April, 1965 andEton, 1956;Gibson and Calman, 1953;Gray, 1956;Kwantes and James, 1956;Langewisch, 1956;Nicol, 1961).…”