Medicine: Equine Epidemic

Equine Epidemic Few diseases are more fear-inspiring than encephalitis, a group of viral ailments that attack the brain and sometimes produce a fatal form of sleeping sickness. Thousands of horses died when an epidemic of Eastern equine encephalitis struck the Eastern U.S. in 1933; thousands more were affected when a similar disease hit the Central U.S. and Canada in 1941. Now, horses throughout the Southwest are threatened by yet another related virus. An epidemic of Venezuelan equine encephalomyelitis (VEE) has been working its way northward from South America since...

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