This combination vaccine protects against viruses that cause life - threatening respiratory and gastrointestinal issues. (catcareclinic.com)
So when these in - clinic tests are performed properly, it means that a positive test result demonstrates the dog or cat does have protective levels of antibody against the virus. (dogsnaturallymagazine.com)
These results suggest that there is a cost for the host organism when infected with bacteria that offer stronger protection against viruses. (sciencedaily.com)