If you're getting ready to travel, you may be wondering what exactly the Zika virus is and how concerned you should be about it. The virus was first identified in 1947 but is currently receiving worldwide attention as a result of a resurgence in South America.
The virus is known to exist in Africa, Asia, the Pacific and the Americas as well. Though it is rarely lethal, the virus can cause problems in unborn infants, causing them to develop with skulls and brains that are much smaller than average. This is cause for concern and makes preventing infection a wise choice.
How It Spreads
The Zika virus generally does not spread through human-to-human contact, although the World Health Organization has received two reports of sexual transmission. Generally the virus travels in the same way the Dengue virus does: through the same mosquito carriers that transmit it to humans by biting them.
http://www.ushealthworks.com/blog/2016/02/need-know-zika-travel-vaccinations/
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