Hong Kong – CHP investigates case of suspected mad honey poisoning
CHP investigates case of suspected mad honey poisoning
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The Centre for Health Protection (CHP) of the Department of Health is today (February 2) investigating a case of suspected mad honey poisoning, and reminded the public to buy honey from a reliable source or apiary.
A 56-year-old male developed dizziness and vomiting around 30 minutes after consuming honey on January 31. He attended the Accident and Emergency Department of Queen Mary Hospital and was admitted for treatment on the same day due to hypotension and bradycardia. The patient was in stable condition and was discharged yesterday (February 1). His clinical diagnosis was suspected mad honey poisoning.
Initial enquiries revealed that the patient consumed home-made honey mailed to Hong Kong by a friend from Nepal. The poisoning might have been caused by grayanotoxin. Investigations are ongoing.
“Mad honey poisoning is caused by ingestion of honey containing grayanotoxins derived from plants belonging to the Ericaceae family, including rhododendrons. Grayanotoxins are neurotoxins which can affect nerves and muscles. Symptoms of poisoning include nausea, vomiting, diarrhoea, dizziness, weakness, excessive perspiration, hypersalivation and paraesthesia shortly after ingestion. In severe cases, hypotension, bradycardia or shock may occur,” a spokesman for the CHP explained.
Members of the public are reminded to take heed of the following preventive advice:
- Buy honey from a reliable source or apiary;
- Discard honey with a bitter or astringent taste – grayanotoxin-containing honey may cause a burning sensation in the throat; and
- Pay special attention to honey from India, Nepal and the Black Sea region of Türkiye as there have been grayanotoxin poisoning cases connected with honey from these areas.
CHP investigates two suspected food poisoning clusters
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The first cluster involved four females, aged between 25 and 38, who developed abdominal pain and diarrhoea about 9 to 12 hours after consuming food provided by a caterer on December 21.
The other cluster involved two males and three females, aged between two and 71, who developed similar symptoms about 9 to 18 hours after consuming the food ordered from the same caterer on December 25.
All of the affected persons have not sought medical advice. All affected persons are in stable condition.
Initial investigations of the CHP revealed that the affected persons had consumed common food and the food concerned were diced beef and beef ribs in red wine sauce. The incident might have been caused by Clostridium perfringens.
The personnel from the Centre for Food Safety of the Food and Environmental Hygiene Department have conducted an inspection at the caterer’s premises. The CHP’s investigation is ongoing.
To prevent foodborne diseases, members of the public are reminded to maintain personal, food and environmental hygiene at all times. When dining out:
CHP investigates suspected food poisoning case related to calcium oxalate raphide
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AFCD investigates suspected sale of dog meat online
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The AFCD is investigating activities and posts associated with the suspected online shop to collect evidence, and may instigate prosecution if there is sufficient evidence.
According to the Dogs and Cats Regulations (Cap. 167A), no person shall slaughter any dog or cat for use as food whether for mankind or otherwise nor shall sell or use or permit the sale or use of the flesh of dogs and cats for food. Any person shall be liable to a maximum fine of $5,000 and imprisonment for six months upon conviction.
The AFCD emphasises no such illegal activities will be tolerated and will strictly enforce the law and follow up on all violations. Members of the public are reminded not to buy cat or dog meat. If there is any suspected illegal sale activity, please contact 1823 to report.
CHP investigates suspected food poisoning cluster
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The cluster involved eight boys and two girls, aged 3 to 5, and a female teacher, who developed abdominal pain and diarrhoea about 5.5 to 15 hours after having lunch at a kindergarten in Eastern District on November 1. One of the affected persons sought medical advice and none required hospitalisation. All affected persons are in stable condition.
Initial investigations of the CHP revealed that the affected persons had consumed common food and the food concerned was steamed rice with pumpkin and diced pork. The poisoning might have been caused by Bacillus cereus or Clostridium perfringens.
The personnel from the Centre for Food Safety of the Food and Environmental Hygiene Department have conducted investigation at the concerned premises. The CHP’s investigation is ongoing.
To prevent foodborne diseases, members of the public are reminded to maintain personal, food and environmental hygiene at all times. When dining out:
Hong Kong – CHP investigates two suspected food poisoning clusters
The Centre for Health Protection (CHP) of the Department of Health is today (December 30) investigating two suspected food poisoning clusters affecting nine persons, and reminded the public to maintain personal, food and environmental hygiene to prevent foodborne diseases.
Hong Kong – CHP investigates suspected food poisoning case related to calcium oxalate raphide
The Centre for Health Protection (CHP) of the Department of Health is today (December 17) investigating a case of suspected food poisoning and reminded the public not to pick or consume wild plants, and to beware of vegetables containing calcium oxalate raphide to avoid food poisoning due to accidental consumption of giant alocasia.
The female patient, aged 51, developed oral and throat numbness shortly after consuming a home-grown taro in Wan Chai yesterday (December 16). She attended the Accident and Emergency Department of Ruttonjee Hospital yesterday and was admitted for further treatment on the same day. She is now in stable condition and discharged today. The clinical diagnosis was suspected calcium oxalate raphide poisoning.
The CHP’s investigation is ongoing.
Taro is a popular ingredient used to prepare various dishes and desserts. However, some plants look like taro (e.g. giant alocasia) but contain toxins which can cause food poisoning. Consuming plants containing calcium oxalate raphide (a needle-shaped crystal of the chemical) can injure the skin and mucous membranes and cause irritation, such as numbness and burning sensation of the tongue, mouth and lips, and swelling of the tongue and lips. Consumption of vegetables accidentally mixed with calcium oxalate raphide-containing plants may also cause food poisoning.
Members of the public should take heed of the following when consuming vegetables:
The public may visit the pages on Food Poisoning Related to the Giant Alocasia and Calcium Oxalate Food Poisoning of the Centre for Food Safety of the Food and Environmental Hygiene Department for more information and health advice.Hong Kong – AFCD investigates suspected sale of dog meat online
The Agriculture, Fisheries, and Conservation Department (AFCD) noted today (November 19) that during recent routine online surveillance, some advertisements posted by some online shops in relation to suspected sale of dog meat were detected. The AFCD has promptly launched an investigation and will contact the Police for further collaborated investigation.Hong Kong – CHP investigates suspected food poisoning cluster
The Centre for Health Protection (CHP) of the Department of Health is today (November 3) investigating one suspected food poisoning cluster affecting 11 persons, and reminded the public to maintain personal, food and environmental hygiene to prevent foodborne diseases.