1. Plural of parvo; a highly contagious viral disease affecting dogs, characterized by severe vomiting, diarrhea, and lethargy.
Usage: informal shortening of parvovirus; commonly used in veterinary and pet care contexts

Examples

• The shelter had to quarantine several puppies after they were exposed to parvos.
• Vaccination is the best way to protect your dog from parvos.
• The vet warned us that parvos can be fatal in young, unvaccinated dogs.
• Multiple cases of parvos were reported in the neighborhood last month.
• Puppies are most vulnerable to parvos during their first few weeks of life.