Rise in rabies cases expected to continue as summer heats up in Arizona

ARIZONA — Rabies cases in Arizona have risen sharply this year compared with the same time last year, and state health officials said the problem is only likely to get worse as the temperatures rise.

There were 81 confirmed rabies cases in animals reported to the Arizona Department of Health Services (ADHS) through May, up from the 54 cases in the same period last year. In addition, eight more cases were reported in the first half of June alone, health officials said.

Reported cases have not been this high in the state since 2009, when there were 126 cases from January through May, according to ADHS.

“It’s difficult to explain why certain years have higher numbers of rabies than others,” said Jessica Rigler, the branch chief of public health preparedness for the health department. “We do know that there is an outbreak going on in animals in southern and southeastern Arizona right now. … and so that usually drives the increase in rabies numbers in the year or two surrounding those outbreaks.”

Although the numbers fluctuate year to year, one constant has been the location: most cases are reported in southern Arizona.

A spokeswoman for the Cochise County Sheriff’s Office said the department is bracing for more people encountering rabid animals.

“Our prediction is that that’s going to continue throughout the summer. We’ve had less than optimal rainfall in a lot of places, including Cochise County,” said Carol Capas, the spokeswoman.

The health department said foxes have accounted for most cases so far this year, with 31 reported cases, followed by skunks with 25. Historically, bats are the animals most often reported infected, but health officials expect the current number of infected bats — 17 — to rise over the summer.

“We see a lot of puppies and kittens that have been born earlier in the year starting to develop and be out and about,” said Jose Santiago, spokesman for the Animal Care and Control Services of Maricopa County. “We see more of the homeless animals, more stray animals … (which) aren’t vaccinated, so they’re potentially more at risk.”

Rabies-related deaths in humans are extremely rare, with only one to three fatalities per year in the United States, but the Centers for Disease Control and Prevention reported that about 40,000 people a year are treated for rabies nationwide. Most fatal cases occur in people who do not seek treatment, which typically happens when the infected person does not know they’ve been exposed.

The CDC also said more than 90 percent of all rabies cases reported each year occur in wildlife.

The state health department said 15 people have been exposed to rabies so far this year, but none has needed treatment.

But health officials are still urging Arizona residents to take precautions against rabies. ADHS Director Cara Christ said that includes abstaining from feeding wildlife, vaccinating pets and keeping them on leashes, and stopping pets from interacting with wild animals.

“A lot of times people think, ‘My animal is an indoor animal,’ or ‘They really don’t go outside, so I don’t have to keep up with certain vaccines,’” Santiago said. “That’s simply not the case.”

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