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WHAT IS ZIKA VIRUS


http://archmediang.blogspot.com.ng/2016/01/zika-virus-fg-alerts-nigerians.html?m=1
 Aegypti mosquito, which transmits the Zika virus

As health officials try to confine recent health disasters, Ebola Virus Disease, Lassa fever and Bird flu to the past, a new virus is fast becoming a major threat.
Although the virus, Zika, was discovered in the Americas, there are concerns that the disease may become a worldwide problem, especially as it is transmitted by mosquitoes.
The World Health Organisation has said that though the symptoms shown by people with Zika, which is currently found in Brazil, are only mild fever, skin rash and conjunctivitis for about two-seven days, it is a different story for pregnant women.
Zika reduces the growth of the foetus, leading to microcephaly or stunted brain growth, hence pregnant women have been advised against travelling to areas where the virus has been spotted.
In the meantime though, here are facts you should know about Zika virus, according to WHO:
  1. Zika virus disease is caused by a virus transmitted by Aedes mosquitoes.
  2. People with Zika virus disease usually have a mild fever, skin rash (exanthema) and conjunctivitis. These symptoms normally last for two-seven days.
  3. There is no specific treatment or vaccine currently available.
  4. The best form of prevention is protection against mosquito bites.
  5. The virus is known to circulate in Africa, the Americas, Asia and the Pacific.

Transmission
Zika virus is transmitted to people through the bite of an infected mosquito from the Aedes genus, mainly Aedes aegypti in tropical regions. This is the same mosquito that transmits dengue, chikungunya and yellow fever.
Zika virus disease outbreaks were reported for the first time 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).
In addition, more than 13 countries in the Americas have reported sporadic Zika virus infections indicating rapid geographic expansion of Zika virus.

photo source: developmentdiaries.com
photo source: developmentdiaries.com
Prevention
Mosquitoes and their breeding sites pose a significant risk factor for Zika virus infection. Prevention and control relies on reducing mosquitoes through source reduction (removal and modification of breeding sites) and reducing contact between mosquitoes and people.
This can be done by using insect repellent; wearing clothes (preferably light-coloured) that cover as much of the body as possible; using physical barriers such as screens, closed doors and windows; and sleeping under mosquito nets.
It is also important to empty, clean or cover containers that can hold water such as buckets, flower pots or tyres, so that places where mosquitoes can breed are removed.
Special attention and help should be given to those who may not be able to protect themselves adequately, such as young children, the sick or elderly.
During outbreaks, health authorities may advise that spraying of insecticides be carried out. Insecticides recommended by the WHO Pesticide Evaluation Scheme may also be used as larvicides to treat relatively large water containers.
Travellers should take the basic precautions described above to protect themselves from mosquito bites.
Treatment
Zika virus disease is usually relatively mild and requires no specific treatment. People sick with Zika virus should get plenty of rest, drink enough fluids, and treat pain and fever with common medicines.
If symptoms worsen, they should seek medical care and advice. There is currently no vaccine available.

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