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22 July 2016
Zika Virus Infection  

The Alert Response Level under the Government's Preparedness and Response Plan for the Zika Virus Infection is activated

Zika virus infection is a mosquito-borne disease caused by Zika virus. The symptoms of Zika virus infection include skin rash, fever, conjunctivitis, muscle or joint pain and general malaise.

The current major concern is the association with adverse pregnancy outcome (microcephaly) and neurological and autoimmune complications such as Guillain-Barré syndrome (GBS). According to the World Health Organization, based on research to date, there is scientific consensus that Zika virus is a cause of microcephaly and GBS.

Apart from GBS, acute disseminated encephalomyelitis (a disease of the central nervous system) was recently found to be one of the neurologic manifestations possibly resulted from Zika virus.

Zika virus is mainly transmitted to humans through the bite of an infected Aedes mosquito. It has also been found in human semen and transmission by sexual contact has been confirmed. Sexual transmission of Zika virus between men who have sex with men has been identified. Other modes of transmission such as blood transfusion and perinatal transmission are possible.

 

Dengue fever
 


Pregnant women and women preparing for pregnancy should not travel to areas with ongoing Zika virus transmission. Travellers should seek medical advice before the trip and avoid mosquito bites during the trip. Travellers who return from affected areas and feel unwell e.g. having fever, should seek medical advice as soon as possible, and provide travel details to doctors.
 

For details on prevention of Zika virus infection, including those for pregnant women and women preparing for pregnancy and travellers returning from affected areas, please refer to the factsheet of Zika Virus Infection.

For details on screening of blood donors to prevent Zika virus infection, please refer to Hong Kong Red Cross Blood Transfusion Service website. For further details, donors may enquire through hotline: 2710 1234.
 


Prevent vector-borne diseases, safeguard our health
Prevent vector-borne diseases,
safeguard our health

Take indoor precaution, enjoy a vector-free environment
Take indoor precaution,
enjoy a vector-free environment

Take preventive measures against vectors, enjoy safe outing
Take preventive measures against vectors,
enjoy safe outing

Prevent bites and stings during travel, have a nice trip
Prevent bites and stings during travel,
have a nice trip

Smart tips for driving vectors away
Smart tips for driving vectors away

 Details

 

Preparedness and Response Plan

 

Latest Zika Virus Infection Updates

 

Press Releases

 

Letters

 

Health Education Materials

 

Related Links and Issues

 

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