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Ng Kang-chung

Hong Kong reported a new imported chikungunya fever case and another probable patient on Friday, bringing the number of confirmed cases to five in a week.
Health authorities said the latest confirmed case involved a 66-year-old woman with a chronic illness who lived in Kwai Tsing district.
A preliminary investigation by the Centre for Health Protection found that the woman travelled alone to visit relatives in Foshan, Guangdong province, from July 24 to Tuesday this week.
The patient could not recall being bitten by a mosquito, the centre said.
The woman developed a fever, rash and joint pain on Wednesday and went to see a doctor at Yan Chai Hospital in Tsuen Wan the next day. Her blood test results came back positive for the chikungunya virus.
The centre said the woman’s condition was stable.
“Since the patient stayed in Foshan during the whole incubation period, the [centre] considered that the patient was infected during travel, and the case was classified as an imported case,” it said on Friday.
“Her household contacts are currently asymptomatic and under medical surveillance.”
The centre said it had notified health authorities in Guangdong about the case.
Health authorities said the probable case involved a 22-year-old woman who lived on Sai Wan Ho Street in Eastern district and had just returned to Hong Kong on Monday after a nearly three-week journey covering Madagascar, Mauritius and Malaysia.
The woman said she was bitten by mosquitoes in Madagascar and had developed a fever, headache and joint pain there. She said her fever subsided before she returned to Hong Kong.

She went to see a doctor at Pamela Youde Nethersole Eastern Hospital in Chai Wan for her joint pain after arriving in Hong Kong on Monday. She was admitted the following day and discharged on Thursday.
A blood sample collected on Monday tested negative, but one from the next day came back positive for chikungunya fever when it was tested on Friday.
“The case is likely to be a recovered case … [The centre] considered that the patient was no longer infectious to mosquitoes upon her return to Hong Kong,” the centre said.
Health authorities said they would collect another blood sample from her next week for a second round of antibody testing.
Hong Kong's first recent imported case of chikungunya fever, a 12-year-old boy who had returned from Foshan, was recorded last Saturday.
Health authorities announced another three imported cases on Wednesday. They comprised a 55-year-old man, his 10-year-old son and a 79-year-old woman.
Before August 2, Hong Kong's last recorded cases of chikungunya fever were in 2019, with the tally reaching 11 patients.
The city also reported two cases in 2018, one in 2017 and eight in 2016. All cases between 2016 and 2019 were imported.
According to the World Health Organization, more than 240,000 chikungunya fever cases have been recorded in 16 countries and regions worldwide as of July this year. Of these cases, about 90 were fatal.
Guangdong has been battling an outbreak since July, with reportedly 8,000 cases so far, many of which were in Foshan.
Chikungunya fever is spread by bites from infected mosquitoes, with cases typically developing fever and joint pain that can last for months or even years. Other potential symptoms include muscle pain, nausea and rashes.


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Hong Kong reports new imported chikungunya fever case, bringing tally to 5

Chikungunya fever is spread by bites from infected mosquitoes, with cases typically developing fever and joint pain that can last for months or even years. Photo:  Photo: Shutterstock

Workers from the Food and Environmental Hygiene Department carry out mosquito control in Hong Kong. Photo: Karma Lo

Hong Kong confirms 3 new imported cases of chikungunya fever

The Centre for Health Protection has said that it was investigating the three imported cases. Photo: Shutterstock

Workers from the Food and Environmental Hygiene Department carry out mosquito control in parts of the city. Photo: Dickson Lee

Chikungunya fever: Hong Kong urged to step up mosquito control after rainstorm

Government data shows the breeding of mosquitoes that can transmit chikungunya fever is “fairly extensive” in 70 per cent of the city’s surveyed areas. Photo: Dickson Lee

Chikungunya fever is a viral disease transmitted by mosquitoes. Photo: AP

News

Hong Kong

Health & Environment

Case involves woman, 66, who just returned from Guangdong, while another probable patient under observation after three-country trip


Case involves woman, 66, who just returned from Guangdong, while another probable patient under observation after three-country trip.


Hong Kong reports new imported chikungunya fever case, bringing tally to 5

.css-1c6uqr6{color:inherit;font-weight:inherit;font-size:inherit;font-family:inherit;line-height:inherit;overflow-wrap:break-word;}Case involves woman, 66, who just returned from Guangdong, while another probable patient under observation after three-country trip

Case involves woman, 66, who just returned from Guangdong, while another probable patient under observation after three-country trip