The Ministry of Health (MOH) has learnt of a circulating message on mobile phones and social media claiming that there is an outbreak of Group B streptococcus (GBS) here due to eating contaminated raw fish. MOH, the National Environment Agency (NEA) and the Agri-Food & Veterinary Authority of Singapore (AVA) have been jointly investigating this.
There has not previously been any proven link between eating fish, raw or otherwise, and GBS disease. GBS is a common bacterium that colonises the human gut and urinary tract. It does not usually cause disease in healthy individuals. However, in adults, GBS may occasionally cause infections of the skin, joints, heart and brains. The risk factors for GBS infection include underlying chronic or co-morbid conditions.