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Dallas.
Disease-tracking specialists from the CDC are assisting state and
local health department officials in the investigation of a cluster
of cases of hemolytic uremic syndrome (HUS), a rare but severe illness
that has stricken five children in the Dallas/Fort Worth area since
June.
Health
officials have found no source for the infection, said Doug McBride,
spokesman for the Texas Department of Health.
An
expanded investigation uncovered 38 cases of severe or bloody diarrhea,
which can precede HUS.
The
illness damages red blood cells and can cause kidney damage or failure,
and is preceded by intestinal infections typically caused by E.
coli, which is sometimes transmitted by undercooked hamburgers,
said Mark Shelton, MD, a pediatrician and medical director of pediatric
infectious diseases at Cook Children’s Medical Center in Fort Worth,
Texas.
HUS
symptoms run a broad spectrum, from mild stomach cramps and diarrhea
to renal failure and death, Shelton said although most children
recover.
Treatment
typically involves hydration and, occasionally, platelet transfusion
and dialysis, he said.
Last
year, Texas reported 18 cases of HUS. Officials became concerned
because the five cases were clustered in a region in a short amount
of time, McBride said.
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