“…Serious diseases caused by these organisms include septicaemia (Finch and Aveline, 1984), endocarditis (Goldberg et al, 1985), septic arthritis (Gaunt and Seal, 1986), pneumonia (Stamm and Cobbs, 1980), meningitis (Devi6re et al, 1986), Cellulitis (Gaunt and Seal, 1987) and erysipelas (Hugo-Persson and Norlin, 1987). They have also been the presumptive cause of hospital and institutional outbreaks (Hill et al, 1969;McCue, 1982;Stryker et al, 1982;Cohen et al, 1987;Haynes et al, 1987;Teare et al, in press).…”