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Why Zika was just declared a global health emergency

Why Zika was just declared a global health emergency

If you’ve never heard of the Zika virus before this year, you’re not alone. It was isolated from monkeys in 1947 in the Zika rain-forest in Uganda and since then it hasn’t really bothered humans much at all. Until now. The Zika virus appeared in Brazil for the first time in 2015, and more than a million people have been infected since then.
Just to put that into perspective, the last largest outbreak happened in french Polynesia and it really only spread around to a couple hundred people. 80% of people with the virus don’t have symptoms at all. The others have mild symptoms including fever and a rash.

Why Zika was just declared a global health emergency

So here’s why public health officials are concerned. Now we’re learning that when pregnant women contract Zika, they can pass it on to their fetuses and this in turn can cause terrible birth defects, like microcephaly. It’s a birth defect that involves incomplete head and brain development. So they look like they have very small heads, and what that means is that they’re basically mentally disabled, they have a shorter life expectancy and it’s just an absolutely devastating disease. Microcephaly has multiple causes, but officials think it might also be linked to Zika. That’s why public health officials in Latin America and the Caribbean are cautioning women not to get pregnant right now.

Why Zika was just declared a global health emergency


Why Zika was just declared a global health emergency


Why Zika was just declared a global health emergency

In the US the Centers for Disease Control and Prevention took a similarly extreme measure when they issued an unprecedented travel advisory telling women who are pregnant to avoid traveling to countries in Latin America where the virus is circulating. That included their very own territory, Puerto Rico.

Why Zika was just declared a global health emergency

Zika virus is carried by mosquitoes. it might be transmitted through sex as well. And the type of mosquitoes that spread Zika live in warm areas all over the world, including the US. The main vector for this disease is called the Aedes aegypti, and it’s mostly found along the southern US. But there’s some question about whether it’s also carried by another mosquito called the Aedes albopictus and that has a much broader range.

Why Zika was just declared a global health emergency

Right now there’s no cure or treatment for Zika. They’re working on vaccines but that could take years. So really the only way to protect yourself is to try not to get bitten by mosquitoes, which is difficult to do. It’s especially important that pregnant women are aware of the risk. There needs to be a lot of awareness about the virus and about this potential damage to the fetus later.

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