DH announces latest situation of Legionnaires' disease cases
The Centre for Health Protection (CHP) of the Department of Health today (June 30) reported the latest number of cases of Legionnaires' disease (LD), and reminded the public of the importance of using and maintaining properly designed man-made water systems, adding that susceptible groups should strictly observe relevant precautions.
From June 22 to 28, the CHP recorded six community-acquired LD cases.All of these cases involve people with underlying illnesses. The details of the cases are as follows:
A 60-year-old male patient living in Yau Tsim Mong District;
A 74-year-old female patient living in Yuen Long District;
A 66-year-old male patient living in Sham Shui Po District;
A 78-year-old male patient living in Kowloon City District;
A 94-year-old female patient living in Tai Po District; and
A 54-year-old male patient living in Tai Po District.
The CHP is conducting epidemiological investigations to identify potential sources of infection and high-risk exposure. Initial investigation revealed that all six cases are sporadic cases. No epidemiological linkages have been established between these case and other confirmed cases previously recorded in Hong Kong.
As of June 28, 73 LD cases had been recorded this year. In 2024 and 2023, there were 135 and 121 LD cases respectively.
Men, people aged over 50, smokers, alcoholics and persons with weakened immunity are more susceptible to LD. Some situations may also increase the risk of infection, including poor maintenance of water systems; living in areas with old water systems, cooling towers or fountains; using electric water heaters, whirlpools and spas or hot water spring spas; and recent stays in hotels or vessels.
Legionellae are found in various environmental settings and grow well in warm water (20 to 45 degrees Celsius). They can be found in aqueous environments such as water tanks, hot and cold water systems, cooling towers, whirlpools and spas, water fountains and home apparatus that support breathing. People may become infected when they breathe in contaminated droplets (aerosols) and mist generated by artificial water systems, or when handling garden soil, compost and potting mixes.
Immunocompromised persons should:
Use sterile or boiled water for drinking, tooth brushing and mouth rinsing;
Avoid using humidifiers, or other mist- or aerosol-generating devices; and
If using humidifiers, or other mist- or aerosol-generating devices, fill the water tank with only sterile or cooled freshly boiled water, and not water directly from the tap. Also, clean and maintain humidifiers/devices regularly according to manufacturers' instructions. Never leave stagnant water in a humidifier/device. Empty the water tank, wipe all surfaces dry, and change the water daily.
The public should observe the health advice below:
Observe personal hygiene;
Do not smoke and avoid alcohol consumption;
Strainers in water taps and shower heads should be inspected, cleaned, descaled and disinfected regularly or at a frequency recommended by the manufacturer;
If a fresh-water plumbing system is properly maintained, it is not necessary to install domestic water filters. Use of water filters is not encouraged as clogging occurs easily, which can promote growth of micro-organisms. In case water filters are used, the pore size should be 0.2 micrometres (µm) and the filter needs to be changed periodically according to the manufacturer's recommendations;
Drain and clean water tanks of buildings at least quarterly;
Drain or purge for at least one minute infrequently used water outlets (e.g. water taps, shower heads and hot water outlets) and stagnant points of the pipework weekly or before use;
Seek and follow doctors' professional advice regarding the use and maintenance of home respiratory devices and use only sterile water (not distilled or tap water) to clean and fill the reservoir. Clean and maintain the device regularly according to the manufacturer's instructions. After cleaning/disinfection, rinse the device with sterile water, cooled freshly boiled water or water filtered with 0.2 µm filters. Never leave stagnant water in the device. Empty the water tank, keep all surfaces dry, and change the water daily; and
When handling garden soil, compost and potting mixes:
Wear gloves and a face mask;
Water gardens and compost gently using low pressure;
Open composted potting mixes slowly and make sure the opening is directed away from the face;
Wet the soil to reduce dust when potting plants; and
Avoid working in poorly ventilated places such as enclosed greenhouses.
The public may visit the CHP'sLD page, theCode of Practice for Prevention of LDand theHousekeeping Guidelines for Cold and Hot Water Systems for Building Managementof the Prevention of LD Committee, and the CHP'srisk-based strategyfor prevention and control of LD.
CFS to follow up certain batches of powdered infant and young children formula with possible presence of Cereulide produced by Bacillus cereus
The Centre for Food Safety (CFS) of the Food and Environmental Hygiene Department (FEHD) today (January 10) said that, it took initiative to meet with Nestlé Hong Kong again today, and confirmed the company's today announcement of an additional batch of powdered infant and young children formula suspected to have possibly used the raw material concerned. Nestlé Hong Kong has voluntarily stopped sales, removed from shelves the affected products and has initiated a precautionary recall. The CFS has collected samples of powdered infant and young children formula from the market for Bacillus cereus testing, the test results so far were satisfactory. The Environmental and Ecology Bureau is also closely monitoring the supply situation of other formula milk powder and maintaining communication with other major suppliers. It is noted that there is sufficient formula milk powder to meet the demand.
The Centre for Food Safety (CFS) of the Food and Environmental Hygiene Department (FEHD), Photo source: reference image
The spokesman said, the CFS has been actively following up on Nestlé company's voluntary and precautionary recalls of certain batches of its powdered infant and young children formula in certain areas in Europe due to possible presence of Cereulide produced by Bacillus cereus in the individual raw material. According to the latest information from Nestlé Hong Kong today, an additional batch of its powdered infant and young children formula imported into Hong Kong might have used the raw material concerned. The CFS had earlier enhanced surveillance in the market and collected a sample from the above batch for testing of Bacillus cereus. The test result of the sample was satisfactory. Nevertheless, as a precautionary measure, Nestlé Hong Kong has voluntarily stopped sales, removed from shelves the affected products and has initiated a precautionary recall.
Product details are as follows:
Product name (Net weight): NAN PRO 1 2 HMO (800g)
Batch number: 51670742F2
Best-before date: June 16, 2027
Place of Origin: Germany
"The CFS met Nestlé Hong Kong again today, urging them to properly handle the product recall issue and respond to public enquiries, in order to safeguard consumers' legitimate rights and interests. In addition, the CFS and Nestlé Hong Kong have jointly followed up, six suspected affected batches of infant and young children formula products that had not entered the market were marked and sealed. An additional 15 batches are currently en route to Hong Kong and will also be marked and sealed upon arrival. The CFS will continue to closely monitor the recall matters and remain fully committed to ensuring food safety, " the spokesman said.
Nestlé Hong Kong has initiated a recall of the affected batches of the products concerned. For enquiries about the recall, members of the public may contact the company through the following channels:
Consumer services hotline: 2599 8874 / 2797 6031/ 2179 8136 (Monday to Sunday, 9am to 9pm)
Email: consumerservices@hk.nestle.com
WhatsApp: 5283 4139 (NESTLÉ® NAN®) / 2599 8871 (Wyeth® Nutrition)
Online form: forms.office.com/e/BhqMhWfsUG?origin=lprLink
Consumers may choose to bring along the products (brand new or opened) for refund at place of purchase, or at exclusive service counters of Nestlé Nutrition Services from January 13 (Tuesday) onwards, to settle the recall and refund of the batches of the products concerned. Details of the exclusive service counters are as follows:
Kowloon Services Counter
Address: G/F, Park Hovan Commercial Building, 18 Hillwood Road, Tsim Sha Tsui, Kowloon (MTR Jordon Station Exit D)
Contact number: 3996 8196
Office hour: Monday to Saturday, 11am to 7.30pm; Sunday, 1pm to 5.30pm (except public holidays)
Hong Kong Services Counter
Address: 1/F, Ka Nin Wah Commercial Building, 423-425 Hennessy Road, Hong Kong (MTR Causeway Bay Station Exit B)
Contact number: 3996 8197
Office hour: Monday to Saturday, 11am to 7.30pm (except Sundays and public holidays)
The CFS, through its Food Incident Surveillance System, noted earlier that certain batches of Nestlé powdered infant formula were being voluntarily recalled in Europe due to possible contamination with Bacillus cereus. Upon learning of the incident, the CFS has immediately initiated follow up actions, published food incident posts to inform the public and the trade about the issue, and has been actively following up on the incident and enhanced surveillance.
Over the past three days (as of 4pm on January 9), the FEHD received a total of 18 food complaints and enquiries suspected to be related to the infant and young children formula products, including one anonymous complaint without contact information. The CFS and the Environmental Hygiene Branch have promptly followed up on all cases, including contacting the parties concerned to obtain details and collecting samples for testing. In addition, the CFS has referred the cases to the health department for follow-up. At present, no food poisoning cases related to the formula have been recorded.
Bacillus cereus is commonly found in the environment. Unhygienic conditions in food processing and storage may give rise to its growth. Cereulide is a heat-stable toxin produced in food by some strains of Bacillus cereus. Consuming food contaminated with excessive Bacillus cereus or its heat-stable toxins may cause gastrointestinal upset such as vomiting and diarrhoea.
The spokesman urged members of the public not to let infants and young children consume the affected batches of the products, and to seek medical treatment for infants or young children who felt unwell after taking the products concerned. The trade should also stop using or selling the affected batches of the products immediately.
"The CFS continues to closely monitor the developments of the situation, follow up and take appropriate action," the spokesman said.
The infant formula of Nestlé, Photo source: online image
