How to fix a camera lens with water in it?

I have recently, way too recently, bought a digital camera (Nikon S7000) and got water into the lens.

I don t mean dropped the camera into water, but when I went outside in the snow to take photos yesterday I slipped and a bit of snow went on the lens.

I have wiped this off with a lens wipe and the outer lens looks clean, with no smudges, but when I try to take photos they are blurry.

Could the water/snow have gotten into another layer of lens or something?
And how can I fix it? Does it need to be sent a pro or do I need a replacement?

As you can tell I am not at all a camera expert, I know nothing about cameras, so any help is appreciated.
Thanks.

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