A ground squirrel that tested positive for plague on Palomar Mountain has led San Diego County health officials to warn campers and hikers to take precautions.
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Squirrel tests positive for plague
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Disease may kill Hawkesbury oyster farms
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Measles cases rising in California, health officials say
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Explosion, fire, chemical spill threaten wildlife
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Deer on Portage County hunting preserve tests positive for chronic wasting disease
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Officials urge residents to sign up for Alert systems
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Skagit County has the highest rate of pertussis
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Outbreak likely to spread
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'Mad snake disease' may be caused by rodent virus
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Health department issues rabies alerts
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State officials confirm bobcat had rabies
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Frisco resident tests positive for West Nile virus:
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Church taking precautions against
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Chicken pox is on the rise in the Valley
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Healthy person dies of swine flu in San Diego
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Police remind residents to be cautious
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Public warned of possible measles outbreak