Abstract
Summary
The virus of eastern equine encephalomyelitis was recovered from the brains of both human and equine fatal cases occurring in an outbreak of encephalomyelitis in southwestern Louisiana. Positive neutralization tests to this virus were obtained with sera of 2 chickens, 1 dog, and 31 human and equine cases and their contacts, while those of 2 chickens, 1 goose, 1 pigeon and 2 cows were only weakly positive. Antibodies to the western equine virus were found in the sera of 1 dog, 8 horses and 19 chickens and to a very slight degree in the sera of 2 humans and 2 cows.
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