CHP investigates two influenza B outbreaks at primary schools


Hong Kong (HKSAR) -      The Centre for Health Protection (CHP) of the Department of Health is today (February 5) investigating two influenza B outbreaks at primary schools in Wan Chai District.

     The first outbreak involves 21 boys aged 7 to 11, who have developed cough, sore throat and fever since January 19. Of the 17 patients who sought medical attention, one was discharged upon hospitalisation. All affected students are in stable condition.

     The nasopharyngeal swab of three patients tested positive for influenza B virus upon laboratory testing.
 
     Another outbreak involves 20 girls aged 6 to 9, who have developed cough, sore throat and fever since January 12.

All patients sought medical attention and no hospitalisation is required. All affected students are in stable condition.

     The nasopharyngeal swab of six patients tested positive for influenza B virus upon laboratory testing.

     Officers of the CHP have conducted site visits to both schools and advised the schools to adopt infection control measures against respiratory infections. The schools have been put under medical surveillance.

     A spokesman for the CHP said, "To prevent outbreaks of influenza and other respiratory infections, it is of prime importance that children with fever, regardless of the presence of respiratory symptoms, should not be allowed to attend school.

They should seek medical advice and avoid school till 48 hours after the fever has subsided. Schools should also measure and record students' body temperature properly."

     Schools are reminded to follow the http://www.chp.gov.hk/en/view_content/16365.html" target="_blank">Guidelines on Prevention of Communicable Diseases on preventive and control measures as well as management of outbreaks, which should be reported to the CHP for prompt follow-up.

     The spokesman said, "The local seasonal influenza activity is expected to remain at an elevated level in the coming few weeks. Children, the elderly and those with underlying illnesses are recommended to get vaccinated against seasonal influenza for better personal protection.

People should promptly seek medical advice if influenza-like symptoms develop so that appropriate treatment can be initiated as early as possible to prevent potential complications. Parents and carers are reminded to render assistance in prevention, care and control for vulnerable people."

     Besides receiving seasonal influenza vaccination for personal protection, the public should maintain good personal and environmental hygiene for protection against influenza and other respiratory illnesses. For more information, please visit the CHP's http://www.chp.gov.hk/en/view_content/14843.html" target="_blank">influenza page and weekly http://www.chp.gov.hk/en/view_content/2108.html" target="_blank">Flu Express.



Published on: 2018-02-05

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