ABSTRACT.The syndrome of infant botulism was first recognised in late 1975 and the majority of cases reported have been from the United States of America. One case has been reported from the United Kingdom and one from Canada.A three‐month‐old male infant from Victoria, Australia presented with constipation, marked hypotonia, limb weakness, ptosis, facial weakness and inability to suck and swallow. These abnormalities resolved and he returned to normal over the ensuing months.A diagnosis of infant botulism was confirmed after the isolation ofClostridium botulinumtype B from the faeces.Infant botulism has now been recognised in four different countries and it is likely than with increasing awareness of this striking clinical syndrome, more cases will be identif