Mad Cow in Texas, Alabama appears to be rare, mysterious strain (WHO-TV Des Moines) WASHINGTON Researchers say two cases of mad cow disease in Texas and Alabama seem to have resulted from a mysterious strain that could appear spontaneously in cattle. [News Source]

Researchers: Mysterious mad cow cases in U.S. (CNN.com) WASHINGTON (AP) -- Two cases of mad cow disease in Texas and Alabama seem to have resulted from a mysterious strain that could appear spontaneously in cattle, researchers say. [News Source]

Experts study rare strain of mad cow disease (Independent Online) Two cases of mad cow disease in Texas and Alabama seem to have resulted from a mysterious strain of the disease that could appear spontaneously in cattle, according to researchers. [News Source]

Can Mad Cow Appear Spontaneously? (CBS News) Two cases of mad cow disease in Texas and Alabama seem to have resulted from a mysterious strain that could appear spontaneously in cattle, researchers say. The strain seems different from the case that has lead to the slaughter of cows in Britain. [News Source]

Mad Cow in Texas, Alabama appears to be rare, mysterious strain (WHO-TV Des Moines) WASHINGTON Researchers say two cases of mad cow disease in Texas and Alabama seem to have resulted from a mysterious strain that could appear spontaneously in cattle. [News Source]

Mad cow cases in Texas and Alabama appear to be rare strain (WKYT 27 NEWSFIRST & WYMT Mountain News) WASHINGTON Researchers studying two cases of mad cow in Texas and Alabama say they seem to have been a mysterious strain of the brain wasting disease in cattle. [News Source]

Mad cow cases in Texas and Alabama appear to be rare strain (WRIC 8) WASHINGTON Researchers studying two cases of mad cow in Texas and Alabama say they seem to have been a mysterious strain of the brain wasting disease in cattle. [News Source]

Mad cow cases in Texas, Alabama appear to be rare strain (News 8 Austin) Researchers studying two cases of mad cow say they seem to be a rare strain of the brain-wasting disease. [News Source]

U.S. Mad Cow Cases Are Mysterious Strain (RedNova) By LIBBY QUAID WASHINGTON - Two cases of mad cow disease in Texas and Alabama seem to have resulted from a mysterious strain that could appear spontaneously in cattle, researchers say. Government officials are trying to play down differences between the two U.S. [News Source]

Mad cow cases in Texas and Alabama appear to be rare strain (KLTV Texas) WASHINGTON Researchers studying two cases of mad cow in Texas and Alabama say they seem to have been a mysterious strain of the brain wasting disease in cattle. Government... [News Source]