Acute Hepatic Failure in Dogs. Acute hepatic failure is a condition characterized by the sudden loss of 70 percent or more of the liver's function due to sudden, massive, hepatic necrosis (tissue death in the liver).
Key Points. Secondary (acquired) immunodeficiencies are much more common than primary (hereditary) immunodeficiencies. Primary immunodeficiencies can affect humoral immunity (most commonly), cellular immunity, both humoral and cellular immunity, phagocytic cells, or the complement system.
Bascly the difference between a vaccine and medication is that one is a prevention (the vaccine) you take once. The second is a teatment (the medication) you have to take pierodicly. Either way both treatments are good for your health. If you get sick consider one if not both of this options. Bibiography.