Assertion: encephalitis | /r/HasProperty | west nile disease
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Source sentences:
text: In the United States, encephalitis is usually caused by an enterovirus, by the herpes simplex virus types 1 and 2, by an arbovirus that is transmitted from an infected animal to humans via a vector such as a mosquito (an example is West Nile disease) or tick, or by the bite of a rabid animal such as a raccoon that is infected with the rabies virus.