West Nile virus has returned to Utah. A sick bird found outside a West Valley home tested positive for the virus, which can be transmitted to humans through mosquito bites. Viral infections in birds are often detected before human illness.
Trends suggest West Nile virus has become more prevalent in Utah. Last year, there were 52 identified cases, which included the death of a 72-year-old woman. In 2004, there were 11 cases and no fatalties. Nationwide, the virus killed 119 people, according to the Centers for Disease Control and Prevention.
The discovery of this infected bird means Utahns should be diligent about preventing mosquito bites. Utahns should use insect repellant containing DEET. It does not kill biting insects but renders them unable to find their prey for hours. Health officials also recommend wearing pants and long-sleeve shirts, particularly from dusk to dawn when mosquitoes are most active. Utahns should also secure door and window screens, eliminate standing water and trim weeds and grasses.
It should be understood that many healthy people may be bitten by carrier mosquitoes and not become ill. Some may experience slight flu-like symptoms. Others, such as the very young, the very old and people with weak immune systems, are at greater risk. Symptoms include a high fever, body aches, severe headache and stiff neck. Anyone who exhibits those symptoms should seek medical assistance as soon as possible.
As public health threats go, West Nile virus receives a lot of attention each summer. Prevention is warranted. But so is perspective. Utahns are far more at risk at being killed or injured in automobile accidents or water accidents during the summer months. Utahns would do well to develop habits that help prevent injury and disease year-round. Keeping mosquitoes at bay is just one more item for that list.
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