How exactly the symptom of rabies, the fear of water, the hydrophobia works?

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One of the rabies symptoms is a fear of water, also called a hydrophobia.

Wikipedia article on rabies even shows a diseased trying to drink water but still unable to.

My question is: how it works on the biological level? Is it happening in consciousness, subconsciousness, or where? How does the sickness knows the water is approaching the mouth? How? Can one trick the sickness by making person close their eyes? Or by putting water in a closed box and then moving it towards the patient? Etc?

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