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CHP investigates case of invasive meningococcal infection
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     The Centre for Health Protection (CHP) of the Department of Health is today (June 14) investigating a case of invasive meningococcal infection, a communicable disease transmitted by direct contact with droplets from carriers or infected persons.

     The case involves a 60-year-old woman, with underlying illnesses, who has presented with fever, vomiting and diarrhoea since June 11. She sought medical treatment from the Accident and Emergency Department (A&ED) of Queen Elizabeth Hospital on June 12 and passed away at the A&ED on the same day.

     Her blood sample tested positive for Neisseria meningitidis upon laboratory testing.

     Initial enquiries revealed that the patient lived alone and had no travel history during the incubation period. The CHP's investigation is continuing. The case was also referred to the Coroner for investigation.

     "Meningococcal infection is caused by a bacterium known as meningococcus. It is mainly transmitted by direct contact through respiratory secretions, including droplets from the nose and throat, from infected persons. The incubation period varies from two to 10 days, and is commonly three or four days," a spokesman for the CHP said.

     The clinical picture may vary. Severe illness may result when the bacteria invade the bloodstream (meningococcaemia) or the membranes that envelop the brain and spinal cord (meningococcal meningitis).

     Meningococcaemia is characterised by sudden onset of fever, intense headache, purpura, shock and even death in severe cases. Meningococcal meningitis is characterised by high fever, severe headache and stiff neck followed by drowsiness, vomiting, fear of bright light, or a rash. It can cause brain damage or even death. The brain damage may lead to intellectual impairment, mental retardation, hearing loss and electrolyte imbalance. Invasive meningococcal infections can be complicated by arthritis, inflammation of the heart muscle, inflammation of the posterior chamber of the eye or chest infection.

     Meningococcal infection is a serious illness. Patients should be treated promptly with antibiotics.

     To prevent meningococcal infection, members of the public are advised to take heed of the following measures:
 
  • Wash hands with liquid soap and water properly, especially when they are dirtied by respiratory secretions, e.g. after sneezing, and clean hands with alcohol-based handrub when they are not visibly soiled;
  • Cover the nose and mouth while sneezing or coughing, hold the spit with tissue, dispose of nasal and mouth discharge in a lidded rubbish bin, and wash hands immediately;
  • Avoid crowded places;
  • Avoid close contact with patients who have fever or severe headache;
  • Travellers to high-risk areas may consult doctors for meningococcal vaccination; and
  • Travellers returning from high-risk areas should seek medical advice if they become ill and should discuss their recent travel history with their doctor.
    
     The public may visit the CHP's website for more information on meningococcal infection.
 
Ends/Thursday, June 14, 2018
Issued at HKT 17:30
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