Vox has a helpful video explaining the origin and history of the Zika virus, which earlier this month was deemed an international health emergency over concerns it causes birth defects.

The video lays out what health experts now know about the virus. The Maine Center for Disease Control on Thursday said it had confirmed the first case in the state. The person had recently visited South America, said Dr. Siiri Bennett, the state epidemiologist, adding that there is no risk to Mainers, and that the mosquito that transmits the virus is not found in the state.

[MORE: Maine‚Äôs first Zika case confirmed in Hancock County resident]

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Dan MacLeod

Dan MacLeod is the managing editor of the Bangor Daily News. He's an Orland native who moved to Portland in 2002 and now lives in Unity. He's been a journalist since 2008, and previously worked for the...