>> Human testing to begin of first experimental Zika vaccine
The NIH says the vaccine is still a long way from becoming commercially available.
But a White House official says an organization key to developing a vaccine will likely run out funding by the end of the month.
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That would lead to a halt on any work being done on a vaccine until Congress can approve more funding when the next session starts in September.
This video includes clips from the World Health Organization and Centers for Disease Control and Prevention and images from Getty Images. Music provided courtesy of APM Music.