Dallas, TX:  Health officials in Dallas declared a public health emergency after nine people died from the West Nile virus so far this year, stating the virus has become an epidemic.

The West Nile virus is primarily transmitted through mosquito bites.  It originates from the West Nile region of the East African nation of Uganda.  In 80 percent of cases, the virus is initially asymptomatic.  Symptoms later include fever, headache, chills, excessive sweating, abdominal pain, diarrhea, weakness, ...
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