Via Hong Kong's Centre for Health Protection, excerpt :
" The Centre for Health Protection (CHP) of the Department of Health today (May 31) is investigating four suspected ciguatoxin poisoning cases affecting nine people who have consumed coral reef fish.
The first case involved a 38-year-old woman. She developed symptoms of ciguatoxin poisoning including limb numbness and muscle pain about 20 hours after eating a fish during dinner at home on May 29.
She sought medical treatment at North District Hospital. No hospitalisation was required and she is now in stable condition.
The second case involved a man and three women aged between 14 and 50. They developed symptoms of ciguatoxin poisoning including limb numbness, nausea, dizziness and weakness about three to 11 hours after eating a fish during dinner at home on May 29.
They sought medical treatment at Queen Elizabeth Hospital. One of them required hospitalisation and they are now in stable condition.
The third case involved a man and a woman aged 60 and 54 respectively. They developed symptoms of ciguatoxin poisoning including perioral numbness, limb numbness, weakness and diarrhea about five to seven hours after eating a fish during dinner at home on May 30.
One of them sought medical treatment at North District Hospital and required hospitalisation. Both of them are now in stable condition.
The fourth case involved a man and a woman aged 58 and 48 respectively. They developed symptoms of ciguatoxin poisoning including dizziness, perioral numbness, limb numbness, weakness and diarrhoea about half an hour to eight hours after eating a fish during dinner at home on May 30.
One of them sought medical treatment at North District Hospital and required hospitalisation. Both of them are now in stable condition.
Investigation revealed that the incriminated fishes in the above cases were purchased from a wet market in Sheung Shui."
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