Health officials in Arizona have grown concerned after seeing an increase in a rare virus spread by rodents that can cause serious health issues.
What’s happening?
As explained by Physician’s Weekly, the Arizona Department of Health Services announced in an alert that the state has seen an uptick in hantavirus infections, with seven confirmed cases and three deaths over the past six months.
“Hantavirus is a rare but important cause of serious, even fatal respiratory infection,” Dr. Aaron Glatt, chief of infectious diseases at Mount Sinai South Nassau Hospital in New York, told NBC News, per Physician’s Weekly. “It is transmitted by various rodents, especially the deer mouse, and can cause mild disease, but it does cause fatal illness in a significant percentage of people who acquire this illness.”
According to the Centers for Disease Control and Prevention, most cases of hantavirus in the U.S. are reported in western and southwestern states, but Arizona is among the leaders in reported infections in the country. Health officials reported that there have been 11 hantavirus cases in Arizona between 2016 and 2022, per Physician’s Weekly.
Why is this important?
Hantavirus is spread when particles containing the virus get into the air from urine, saliva, or feces from deer mice. An infection can lead to hantavirus pulmonary syndrome (HPS).
Symptoms include fever, fatigue, muscle aches, nausea, vomiting, and abdominal pain. Without treatment, the infection can spread to the lungs and cause shortness of breath, chest tightness and cough, according to the American Lung Association and summarized by Physician’s Weekly. Around 38% of those who experience lung symptoms may die from the infection.
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Though it is a rare disease in the U.S., with the CDC reporting 850 cases between 1993 and 2021 (about 30 per year), the increase in hantavirus cases is an indication of a deeper problem.
According to Physician’s Weekly, experts theorized that “climate change, such as the extreme heat waves that have been sweeping across the county this summer, may also be partly to blame” for the rising number of infections.
Trish Lees, public information officer at Coconino County Health and Human Services in Arizona, told NBC News that cases are seen more frequently in the summer because of increased rodent activity and people coming into contact with rodents more often.
Dr. Camilo Mora, a professor in the Department of Geography and Environment at the University of Hawaiʻi at Mānoa, explained that rising temperatures cause rodents to seek shelter in similar ways that humans do.
“Many carrying-disease species get on the move with climate change — so while for any specific case it is difficult to conclude the role of climate change, climate change has all the attributes to cause outbreaks of vector-borne diseases,” Mora said, per Physician’s Weekly.
What’s being done about this?
Officials warned that the best way to protect yourself against hantavirus is to wear N95 masks, gloves, and protective clothing when entering an area that is dirty or riddled with rodents. Anyone who experiences symptoms should seek immediate medical attention.
“The best way to prevent infection with this illness is by carefully disinfecting and cleaning up any waste products from the rodents and by not coming into contact with them,” Glatt told NBC News.
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Source Agencies
