Aug 9, 2013 at 8:51 am
A second human case of West Nile has been discovered in Grand Forks County. Health teams sprayed for mosquitoes in Grand Forks / East Grand Forks Thursday night. A total of eight human cases of WNV have now been confirmed statewide.
What is West Nile virus?
West Nile virus is a virus that may cause different types of disease, such as fevers or encephalitis (swelling of
the brain). It is spread by mosquitoes that have the virus and then give it to humans by biting them.
Who is at risk for West Nile virus?
Anyone of all ages is at risk, but older adults are more likely to develop severe symptoms.
What are the symptoms of West Nile virus?
Most people who become infected will show no symptoms. If symptoms do appear, they usually are mild and
include fever, headache, body aches, nausea, vomiting and rash. More severe symptoms include confusion,
convulsions, coma, paralysis or even death.
How soon do symptoms appear?
Symptoms usually appear five to 15 days after the bite of an infected mosquito.
How is West Nile virus spread?
It is spread through the bite of an infected mosquito. On rare occasions, people can be infected through blood
transfusions or receipt of an infected organ. Since the discovery of West Nile in the United States, new tests
have been developed to reduce the risk of blood or organ exposure; as a result these infections are now very
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