I received a flyer from Zoologix, a company that offers various (typically unvalidated and unproven) PCR tests for animals. The flyer headline was "Pets can carry MRSA – but testing can help."

Testing in certain situations is useful, but this is almost always limited to diagnosis of animals with active infections (i.e. they’re

Brucellosis can be a pretty nasty disease. Most people with brucellosis are infected through ingestion of contaminated food or contact with infected farm animals. Brucella abortus, B. melitensis and B. suis are the most common bacterial species involved. However, there is also another Brucella species, B. canis, which (as the name implies) is associated