A 68-year-old man who caught the disease after falling into a ditch and injuring his right ankle in 1998 died one day after being admitted to Princess Margaret Hospital.
Doctors identified the victim's wound as having been exposed to contaminated water carrying the Vibrio vulnificus bacteria.
He also suffered from a chronic liver disease.
In the same year, a fish vendor, 45, died eight days after being admitted to hospital for the same bacterial infection. The woman, a diabetes sufferer, was pricked by fish fins. Her arm was amputated before she died.
The third victim was a 46-year-old housewife who died in 1998 after three months in hospital. Her left leg was amputated.
It was not known how she was infected but she suffered from diabetes and hepatitis B cirrhosis.
