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Researchers unearth AIDS-like mysterious disease
Source: Agencies |
August 24, 2012, Friday
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Print Edition
Print Edition
RESEARCHERS have identified a mysterious new disease that has left scores of people in Asia and some in the United States with AIDS-like symptoms even though they are not infected with HIV.
The patients' immune systems become damaged, leaving them unable to fend off germs as healthy people do.
What triggers this isn't known, but the disease does not seem to be contagious as of now.
This is another kind of acquired immune deficiency that is not inherited and occurs in adults, but doesn't spread the way AIDS does through a virus, said Dr Sarah Browne, a scientist at the National Institute of Allergy and Infectious Diseases.
She helped lead the study with researchers in Thailand and Taiwan where most of the cases have been found since 2004. Their report was published in New England Journal of Medicine.
"This is absolutely fascinating. I've seen probably at least three patients in the last 10 years or so" who might have had this, said Dr Dennis Maki, an infectious disease specialist at the University of Wisconsin in Madison.
He said it's still possible that an infection of some sort could trigger the disease, even though the disease itself doesn't seem to spread person-to-person.
The disease develops around age 50 on average but does not run in families, which makes it unlikely that a single gene is responsible, Browne said. Some patients have died of overwhelming infections, including some Asians now living in the US, although Browne could not estimate how many.
Kim Nguyen, 62, a seamstress from Vietnam who has lived in Tennessee since 1975, was gravely ill when she sought help for a persistent fever, infections throughout her bones and other bizarre symptoms in 2009. She had been sick off and on for several years and had visited Vietnam in 1995 and again in early 2009. "She was wasting away from this systemic infection" that at first seemed like tuberculosis but wasn't, said Dr Carlton Hays Jr, a family physician in Jackson, Tennessee.
The patients' immune systems become damaged, leaving them unable to fend off germs as healthy people do.
What triggers this isn't known, but the disease does not seem to be contagious as of now.
This is another kind of acquired immune deficiency that is not inherited and occurs in adults, but doesn't spread the way AIDS does through a virus, said Dr Sarah Browne, a scientist at the National Institute of Allergy and Infectious Diseases.
She helped lead the study with researchers in Thailand and Taiwan where most of the cases have been found since 2004. Their report was published in New England Journal of Medicine.
"This is absolutely fascinating. I've seen probably at least three patients in the last 10 years or so" who might have had this, said Dr Dennis Maki, an infectious disease specialist at the University of Wisconsin in Madison.
He said it's still possible that an infection of some sort could trigger the disease, even though the disease itself doesn't seem to spread person-to-person.
The disease develops around age 50 on average but does not run in families, which makes it unlikely that a single gene is responsible, Browne said. Some patients have died of overwhelming infections, including some Asians now living in the US, although Browne could not estimate how many.
Kim Nguyen, 62, a seamstress from Vietnam who has lived in Tennessee since 1975, was gravely ill when she sought help for a persistent fever, infections throughout her bones and other bizarre symptoms in 2009. She had been sick off and on for several years and had visited Vietnam in 1995 and again in early 2009. "She was wasting away from this systemic infection" that at first seemed like tuberculosis but wasn't, said Dr Carlton Hays Jr, a family physician in Jackson, Tennessee.
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