Veterinarians concerned as "unusual" respiratory illness spreads amongst dogs in Colorado Springs - KRDO
- Veterinarians concerned as "unusual" respiratory illness spreads amongst dogs in Colorado Springs KRDO
- Experts recommend isolating dogs amid respiratory 'mystery illness' Fox News
- Cases of mysterious, potentially fatal dog illness on the rise; Colorado Springs vets on 'high alert' Colorado Springs Gazette
- Unknown illness circulating in Colorado dogs FOX31 Denver
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