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Hong Kong Investigates New Mpox Case, Urges Vaccination for High-Risk Groups

HK

Hong Kong Investigates New Mpox Case, Urges Vaccination for High-Risk Groups
HK

HK

Hong Kong Investigates New Mpox Case, Urges Vaccination for High-Risk Groups

2026-05-26 19:56 Last Updated At:20:08

CHP investigates confirmed Mpox case

The Centre for Health Protection (CHP) of the Department of Health (DH) said today (May 26) that it is investigating a confirmed Mpox (also known as Monkeypox) case, and urged the public to be vigilant and avoid close physical contact with persons suspected of contracting Mpox. Meanwhile, high-risk target groups are advised to receive Mpox vaccinations.

Latest case information

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The case involves a 44-year-old male. He developed itchiness and a skin rash at his lower body from May 13 onwards and attended the Wan Chai Male Social Hygiene Clinic (SocHS) of the DHon May 18. The CHP subsequently arranged for him to receive isolation treatment at Princess Margaret Hospital. The patient is currently in stable condition.

According to information provided by the patient, he has not been vaccinated against Mpox and had high-risk exposure in a hotel in Hong Kong during the incubation period. No epidemiological linkages between this case and confirmed Mpox cases recorded in Hong Kong earlier could be identified so far. The CHP is continuing its epidemiological investigations of the case, will endeavour to contact individuals who had high-risk contact with him and will report the case to the World Health Organization.

Follow-up on the "Hutong" cases in Mong Kok

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In addition, the CHP continues to follow up on the two cases announced yesterday (May 25), and urges anyone who visited the premises on Shanghai Street on or after May 1, especially those who hadsexual contact with strangers there, to call the CHP's designated Mpox telephone hotline (2125 2373) as soon as possible, so that the CHP can provide health assessments and advice.The hotline operates daily from 9am to 6pm. As of 6pm today, the CHP has successfully contacted 140 persons who visited the premises on or after May 1. All are asymptomatic. The CHP has provided them with health education and will put them under medical surveillance. As investigations are still ongoing, the premises will be closed for 21 days starting from today.

Since 2022, Hong Kong has recorded a total of 87 Mpox cases (70 local cases and 17 imported cases), including the above-mentioned case. All patients were males. Epidemiological investigations revealed that most cases had history of high-risk sexual behaviour, including having sex with strangers or having sex without wearing condoms.

Mpox vaccine

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Mpox vaccine can prevent infection and severe disease. The DH provides Mpox vaccination services for highrisk groups. The following high-risk target groups are eligible for Mpox vaccinations on a voluntary basis:

  • individuals with high-risk sexual practices, e.g. having multiple sexual partners, sex workers, or having a history of sexually transmitted infection within the past 12 months;
  • healthcare workersresponsible forcaring forpatients with confirmed Mpox;
  • laboratory personnel working with zoonotic pox viruses; and
  • animal care personnel with high risk of exposure in caseof Mpox occurrences in animals in Hong Kong.
  • High-risk target groups can receive Mpox walk-in vaccinations at any of the DH's SocHS (namely Chai Wan SocHS, Wan Chai Male SocHS, Wan Chai Female SocHS, Yau Ma Tei Male SocHS, Yau Ma Tei Female SocHS, Yung Fung Shee SocHS, Fanling SocHS and Tuen Mun SocHS) and the DH's Yau Ma Tei Integrated Treatment Centre.

    Meanwhile, the DH's Kowloon Bay Integrated Treatment Centre and the Hospital Authority's Special Medical Clinics at Queen Elizabeth Hospital and Princess Margaret Hospital also provide Mpox vaccination services for their clients.

    Mpox is not transmitted through respiratory droplets or aerosols in general, and transmission would not occur through social contact. The CHP reminds the public, especially those at higher risks of exposure, to take precautions and avoid close physical contact with persons or animals suspected of infection. They should seek medical attention as soon as possible if they experience relevant symptoms, including rash, fever, chills, swollen lymph nodes, exhaustion, muscle pain, and severe headaches. They should not engage in activities with others that may involve contact with skin rash or body fluids.

    For more details, please visit the CHP's page onMpoxandMpox Vaccination Programme.

    Source: AI-found images

    Source: AI-found images

    DH announces latest situation regarding Legionnaires' disease case

    The Centre for Health Protection (CHP) of the Department of Health (DH) today (May 26) reported the latest number of Legionnaires' disease (LD) cases, 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 May 17 to 23, the CHP recorded 10 LD cases. Among them, eight were community-acquired cases and two were imported LD cases. All patients had underlying illnesses. The details are as follows:

    Community-acquired cases

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  • a 61-year-old male living in Sha Tin District;
  • a 63-year-old male living in Kwai Tsing District;
  • a 79-year-old male living in Yuen Long District;
  • a 44-year-old male living in Kwun Tong District;
  • a 68-year-old male living in Sai Kung District;
  • a 66-year-old male living in Yau Tsim Mong District;
  • an 80-year-old female living in Sha Tin District; and
  • a 72-year-old male living Sha Tin District.
  • Imported cases

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  • A 63-year-old male and a 79-year-old female, who both travelled to the Chinese Mainland during their incubation periods.
  • The CHP is conducting epidemiological investigations to identify the potential sources of infection and high-risk exposure. An initial investigation revealed that the eight community-acquired cases are sporadic cases. No epidemiological linkages have been established between these cases and other confirmed cases previously recorded in Hong Kong.

    As of May 23, 59 LD cases had been recorded this year. In 2025 and 2024, there were 167 and 135 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, whirlpool spas or hot water spring spas; and recent stays in hotels or ships.

    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, whirlpool spas, water fountains, humidifiers and home respiratory devices 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) or less 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.

    Additionally, as smokers and alcoholics are more susceptible to LD, the Government urgesmembers of the public to quit smoking and avoid drinking. Members of the public may call the DH Integrated Smoking Cessation Hotline at 1833 183, which is answered by registered nurses who provide professional counselling and referral to a wide range of free smoking cessation services. The public may also visit the smoking cessation thematic website (www.livetobaccofree.hk) for more information on smoking cessation. The DH has also developed and promulgated the Alcohol Screening and Brief Intervention tool to primary healthcare service providers to facilitate the early identification and management of at-risk drinkers. For information on alcohol-related harm, please visit the DH'sChange for Health website.

    Source: AI-found images

    Source: AI-found images

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