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Outbreaks of Zika virus infections, a mosquito-borne vector, were first reported from the Pacific in 2007 and 2013 (Yap and French Polynesia respectively) and in 2015 from the Americas (Brazil and Colombia) and Africa (Cape Verde). Today, over 22 countries in the Americas have reported the sporadic Zika virus infections, indicating its rapid geographic expansion. The Zika virus is known to have circulated in Africa, the Americas, Asia and the Pacific. Here's all you need to know about the Zika virus in 10 short points. (Reuters)
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1. Zika virus infection is a disease caused by a virus transmitted by Aedes mosquitoes. (Reuters)
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2. People with Zika virus infection usually have a mild fever, skin rash (exanthema) and conjunctivitis. These symptoms normally last for 2-7 days. (Reuters)
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With the risk of incidence of new infections of Zika virus in many countries, and the potential linkage of the Zika virus infection with microcephaly and other clinical consequence, it is estimated as an appropriate precautionary measures to defer donors who return from areas with Zika virus outbreak," the WHO told AFP in a statement. (Reuters)
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4. The best form of prevention against Zika virus infection is protection against mosquito bites. Using insect repellent; wearing clothes (preferably light-coloured) that cover as much of the body as possible; using physical barriers such as screens, and sleeping under mosquito nets are some of the prevention methods. (AP photo)
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5. The Zika virus symptoms are similar to other arboviral infections such as dengue, and include fever, skin rashes, conjunctivitis, muscle and joint pain and headache. These symptoms are usually mild and last for 2-7 days. Health agencies investigating the Zika outbreaks are finding an increasing body of evidence about the link between Zika virus and microcephaly. (Reuters)
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6.Zika virus is transmitted to people through the bite of an infected mosquito from the Aedes genus, mainly Aedes aegypti mosquito in tropical regions. This is the same mosquito that transmits dengue, chikungunya and yellow fever. (Reuters)
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7. Zika virus is diagnosed through PCR (polymerase chain reaction) and virus isolation from blood samples.
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8. Mosquitoes and their breeding sites pose a significant risk factor for Zika virus infection. It is also necessary to empty, clean or cover containers that can hold water such as buckets, flowerpots or tyres, to stop mosquito breeding. Insecticides recommended by the WHO Pesticide Evaluation Scheme may also be used as larvicides to treat relatively large water containers.
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9. Zika virus disease is usually relatively mild and requires no specific treatment. People affected with Zika virus should get plenty of rest, drink enough fluids, and treat pain and fever with common medicines. (Reuters)
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10. If Zika virus infection symptoms worsen, medical care and advice should be sought immediately. However, currently no vaccines are found for the prevention or treatment. (Source: WHO)
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