El Niño Could Cause Spike in Arizona Valley Fever Cases

El Niño Could Cause Spike in Arizona Valley Fever Cases

Marv Freeman had lost interest in almost everything. He was constantly exhausted, dehydrated, and had begun to lose some of his balance.

The doctors told him he just had a cold, or the flu. His wife knew something else was at play. And so they kept visiting more doctors, until he finally got a proper diagnosis.

Freeman had valley fever.

“I didn’t really have a life,” said Freeman, 81. “It took about five months of my wife’s tender love and care to be able to function properly.”

Freeman’s story is not too uncommon in Arizona. It’s been 13 years and he now helps run Arizona Victims of Valley Fever Inc., to create awareness about the disease and help others like him on their way to recovery.

Of all the valley fever cases reported nationwide, approximately 65 percent of those are in Arizona. The hardest hit areas are the Maricopa, Pima and Pinal counties.

The fungal spores that cause the disease are sensitive to changes in weather. An increase in rain could cause the spores to grow more readily, while a decrease causes them to spread easier through dust.

But according to the Arizona Department of Health Services, there still isn’t enough research to determine a correlation between the amount of spores in the ground, and the number of cases reported this year.

That’s why this year’s El Niño is stirring interest among experts studying the disease.

The weather phenomenon is predicted to bring above average rainfall to the state this year.

In 2011, Arizona reported 16,472 cases; the most since 1997 when ADHS started requiring all positive tests to be reported. During the next three years, the numbers dropped back down to about 5,700 a year, but started to rise again in 2015, with over 7,600 cases reported.

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