Lyme Disease
How Contacted: Transmitted through tick that may have hitchiked into home on your dog.
Treatment: Antibiotics

Parasites: Toxocariasis, Toxoplasmosis, Ringworm/Tinea, Tapeworm
How Contacted: in the feces of infected animals, sometimes infecting soil where children play.
Treatment: There is treatment for all parasites. Simple pills, creams. Rabies
How Contacted: Bitten by animal with rabies.
Treatment: Immune globulin and vaccination is generally the treatment. Rocky Mountain Spotted Fever
How Contacted: Carried by ticks that attach themselves to dog then human.
Treatment: Antibiotics and is not contagious. Campylobacter Infection/Bacteria
How Contacted: Contaminated water, feces, unpasteurized milk.
Treatment: Antibiotics