The Centre for Health Protection (CHP) of the Department of Health (DH) today (May 15) reminded members of the public, particularly those undertaking outdoor activities, to take heed of necessary measures against heat stroke and sunburn in very hot weather.

     "The public should carry and drink plenty of water to prevent dehydration while engaging in outdoor activities," a spokesman for the CHP said.

     "Those engaged in strenuous outdoor activities should avoid beverages containing caffeine, such as coffee and tea, as well as alcohol, as they speed up water loss through the urinary system," the spokesman explained.

     "The obese, the sick, including those with heart disease or high blood pressure, the old and the young are more vulnerable to heat-related illnesses. They should pay special attention," the spokesman added.

     The public should adopt the following precautions:
 

• Wear loose and light-coloured clothing to reduce heat absorption and facilitate sweat evaporation and heat dissipation;
• Avoid vigorous exercise and prolonged activities like hiking or trekking as heat, sweating and exhaustion can place additional demands on the physique;
• Perform outdoor activities in the morning or late afternoon;
• For indoor activities, open all windows, use a fan or use air-conditioning to maintain good ventilation; and
• Reschedule work to cooler times of the day.

     If working in a hot environment is inevitable, introduce shade in the workplace where practicable. Start work slowly and pick up the pace gradually. Move to a cool area for rest at regular intervals to allow the body to recuperate.

     The public should also note the latest and the forecast Ultraviolet (UV) Index released by the Hong Kong Observatory (HKO). When the UV Index is high (6 or above):
 

• Minimise direct exposure of the skin and the eyes to sunlight;
• Wear long-sleeved and loose-fitting clothes;
• Wear a wide-brimmed hat or use an umbrella;
• Seek a shaded area or put on UV-blocking sunglasses;
• Apply a broad-spectrum sunscreen lotion with a Sun Protection Factor (SPF) of 15 or above. Apply liberally and reapply after swimming, sweating or toweling off; and
• While using DEET-containing insect repellents for personal protection against mosquito-borne diseases, apply sunscreen first, then insect repellent.

     If symptoms develop, such as dizziness, headache, nausea, shortness of breath or confusion, rest and seek help immediately, and seek medical advice as soon as possible.

     The public may obtain more information from the DH's Health Education Infoline (2833 0111), heat stroke page and UV radiation page; the HKO's Dial-a-Weather (1878 200), latest weather and forecast, UV Index and weather information for hiking and mountaineering; and press releases of the Labour Department on precautions against heat stroke for outdoor workers and their employers when the Very Hot Weather Warning is in force.

Attention duty announcers, radio and TV stations:
 
     Please broadcast the following special announcement immediately, and repeat it at frequent intervals when the Very Hot Weather Warning is in force:
 
     The Labour Department reminds employers that as the Very Hot Weather Warning is in force, they should assess the risk of heat stroke to their employees and adopt effective preventive measures such as providing cool drinking water, setting up temporary sunshade, providing mechanical aids to reduce physical exertion of employees and providing for employees as far as practicable covered space with good ventilation for rest and meals. Employees should drink water regularly and be mindful of their physical condition. If early heat stroke symptoms such as headache and thirst appear, they should rest in a cool or shady place and drink water immediately. They should also inform their supervisors to take appropriate action.

Attention TV/radio announcers:

Please broadcast the following as soon as possible:

     The Hong Kong Observatory has issued the Very Hot Weather Warning.

     To prevent heat stroke, avoid prolonged activities outdoors.

     If engaged in outdoor work or activities, wear a wide-brimmed hat and light-coloured, loose-fitting clothes. Stay in shaded areas as much as possible.

     Drink plenty of water, and avoid beverages containing caffeine or alcohol.

     If you feel sick, consult a doctor right away.

     Three charities have been issued Public Subscription Permits to hold flag sales on Hong Kong Island, in Kowloon and in the New Territories separately from 7am to 12.30pm today (May 15). The Social Welfare Department (SWD) has been informed by one of the charities that the regional flag-selling activity scheduled to be held by it today has been cancelled, a spokesman for the SWD said.
 
     Information on the regional flag-selling activities today is as follows:
 

 
     The contact information for the organisation that has cancelled its regional flag-selling activity today is as follows:
 

 
     Details of the charitable fund-raising activities, including any updated information, covered by the issued Public Subscription Permits have been published on the GovHK website (www.gov.hk/en/theme/fundraising/search). Permits for flag days containing information on contact methods of the flag-selling organisations and the approved flag-selling activities have also been uploaded to the SWD's website (www.swd.gov.hk/en/index/site_pubsvc/page_controlofc/sub_flagdays) for reference. For enquiries, please call the SWD's hotline at 2343 2255, or the designated hotline of the 1823 Call Centre at 3142 2678.
 
     In the case of suspected fraudulent flag day activities, people should not make any donation and should immediately report the matter to the Police, the spokesman added.

     In response to media enquiries on the number of miscarriage cases involving persons who have been inoculated with COVID-19 vaccines, a spokesperson for the Food and Health Bureau responded today (May 14) as follows:

     According to information by the Hospital Authority, during the period from April 12 to May 9, there were 396 miscarriage cases for those without a vaccination record (24.7 cases for every 100 000 people), whereas the number of miscarriage cases for those who had a vaccination record was 9 (2.8 cases for every 100 000 people). So far, there is no clinical evidence that the miscarriage cases are caused by vaccines.

     The overall rate of miscarriage in Hong Kong is similar to that recorded in the past three years. Based on the statistical analysis of the above figures, there is no evidence that vaccination will increase the risk of miscarriage for recipients.