West Nile virus season is off to a rapid start, prompting warnings ahead of the 4th of July. The current season is seeing the fastest start in decades, although specific details about the timeline and severity are not provided.

Cases have been reported in twelve states across the country. Arizona has been the most affected, with a total of 32 reported cases.

For more information on the West Nile virus season and its impact, readers can refer to the original source, FOX 4 News Dallas-Fort Worth.