With the arrival of warm weather, mosquitoes will not be far behind, and with that the threat of West Nile disease once again.

South Dakota state epidemiologist Dr. Lon Kightlinger says it is becoming more difficult to predict how severe the disease will be each year…

 

Kightlinger says West Nile has tracked high to low and back over the past few years…

 

Kightlinger says despite the disease being present in the region for a number of years, people do not develop good immunity to it…

 

Many communities set up traps to monitor mosquitoes, and use fogging to reduce those numbers.