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You’ve probably never heard of Q fever, but the bacterial disease may be sickening — and killing — more Americans than once believed, a new study suggests. Caused by a bacteria carried by livestock, Query (Q) fever is a rare disease first discovered in 1947 and is found mostly in dry, dusty areas of California and the Southwest. “Q fever is underdiagnosed in the United States,” said lead researcher Dr. Christine Akamine, assistant professor of medicine at Loma Linda University in California. “We suspect this is because most patients have only mild symptoms and do not present for medical evaluation.” But her research revealed that more patients than expected had severe cases of Q fever — and diagnosis was often delayed. Akamine said increasing awareness of the disease could change that. People can get Q fever either by direct contact with livestock that carry the bacteria, called Coxiella burnetii, or by inhaling the spores carried by dust and wind. For the study, Akamine and colleagues collected data on patients hospitalized for Q fever between 2000 and 2016. Patients lived in a dusty, dry, windy area of Southern California ideal for spread of the disease. Of the 20 patients who were diagnosed with Q fever, three developed chronic cases of the disease and two died, the study found. Most cases of Q fever are mild and… read on >