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Zika likely to spread says WHO

The Zika virus is likely to spread across nearly all of the Americas, the World Health Organization has warned.

The infection, which causes symptoms including mild fever, conjunctivitis and headache, has already been found in 21 countries in the Caribbean, North and South America.

It has been linked to thousands of babies being born with underdeveloped brains and some countries have advised women not to get pregnant.

No treatment or vaccine is available.



Zika virus has been linked to birth defects in babies.

The virus was first detected in 1947 in monkeys in Africa. There have since been small, short-lived outbreaks in people on the continent, parts of Asia and in the Pacific Islands.

But it has spread on a massive scale in the Americas, where transmission was first detected in Brazil in May 2015.

Large numbers of the mosquitoes which carry the virus and a lack of any natural immunity is thought to be helping the infection to spread rapidly.

Zika is transmitted by the bite of Aedes  mosquitoes, which are found in all countries in the region except Canada and Chile.

In a statement, The Pan American Health Organization (PAHO), the regional office of the WHO, said: “PAHO anticipates that Zika virus will continue to spread and will likely reach all countries and territories of the region where Aedes mosquitoes are found.”

PAHO is advising people to protect themselves from the mosquitoes, which also spread dengue fever and chikungunya.


The virus is spread by the Aedes Aegypti mosquito.

It also confirmed the virus had been detected in semen and there was “one case of possible person-to-person sexual transmission” but further evidence was still needed.

Around 80% of infections do not result in symptoms.

But the biggest concern is the potential impact on babies developing in the womb. There have been around 3,500 reported cases of microcephaly – babies born with tiny brains – in Brazil alone since October.

PAHO warned pregnant women to be “especially careful” and to see their doctor before and after visiting areas affected by the virus.

Colombia, Ecuador, El Salvador and Jamaica last week recommended women delay pregnancies until more was known about the virus.

Although officially PAHO says “any decision to defer pregnancy is an individual one between a woman, her partner and her healthcare provider”.



Source: BBC

4 Responses to Zika likely to spread says WHO

  1. Joel C. Payne
    Joel C. Payne January 25, 2016 at 3:59 pm

    Caribbean governments did horrible job with dengue and gunya. So it stands to reason this one would spread too. There might be more to come yet too.

  2. Alex Alleyne January 25, 2016 at 4:40 pm

    I think that it should read “the virus was first TESTED in monkeys in AFRICA in 1947”.

    • Honest January 25, 2016 at 5:39 pm

      Thank you Alex Alleyne.

  3. Sharon Woolley
    Sharon Woolley January 25, 2016 at 4:59 pm

    3 cases confirmed n the UK !


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