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Stay vigilant against mosquito-borne diseases and high humidity levels

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The centre for Health Protection of the Department of Health in Hong Kong warns the public to take necessary precautions during the Ching Ming Festival against mosquito-borne diseases.

“Anti-mosquito measures are essential in guarding against dengue fever (DF) and Zika Virus Infection during travel,” a spokesman for the CHP said.

Also, with humidity levels soaring and the weather getting warmer, the Health Department is warning HK residents to stay vigilant. Fog, cloud, showers and isolated thunderstorms will prevail today and the rest of the week. It’s time to get these de-humidifiers working all day long!

As the humidity levels are reaching unhealthy levels on Hong Kong Island, the good news is that Lantau’s air quality is regarded as “safe”. So, don’t venture out today. Just stay on Lantau!

More information on mosquito-borne diseases (source: Centre for Health Protection):

Dengue fever

Locally, from March 21 to 31, two additional confirmed imported DF cases were recorded and the patients had been in Thailand and Indonesia during the incubation period. As of March 31, 22 DF cases had been confirmed this year and all were imported.

Dengue remains endemic in neighbouring and overseas areas. In 2016, in Asia, 13 411 DF cases have been recorded in Thailand, 6 213 in Singapore (since January 3), 371 in Taiwan and 57 in Japan. In the Americas, 495 266 cases were filed in Brazil and 17 981 in Mexico this year.

Zika Virus Infection

Locally, no human Zika cases have been reported to the CHP to date.

Globally, according to the World Health Organization, to date, 61 countries/areas have documented Zika virus transmission since 2007. There is strong scientific consensus that Zika virus is a cause of Guillain-Barré syndrome, microcephaly and other neurological disorders.

The public should pay special attention to the areas with ongoing Zika virus transmission and observe the DH’s ongoing health advice and special notes during travel. Pregnant women and those planning pregnancy should consider deferring their trip to affected areas. Those returning from affected areas should apply insect repellent for 14 days after arrival in Hong Kong.

“In Brazil, the dengue activity is high with ongoing local transmission of Zika virus and other endemic diseases such as malaria and yellow fever. Travellers to Brazil should strictly follow steps to avoid mosquito bites to prevent these mosquito-borne diseases,” the spokesman added.

air pollution unhealthy in central


air pollution



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