Blastomycosis, or Blasto as it is often called, is a very serious and potentially deadly, systemic fungal disease that can affect dogs, humans, and other mammals. Blasto is caused by inhaling the spores of the fungus Blastomyces dermatitidis. B. dermatitis grows as a mold in acidic, organically rich …

Source: Blastomycosis—What Every Dog Owner Needs to Know – Life with Llewellin Setters