Answer to Question 1
Answer: The three types are attenuated vaccines, killed vaccines, and subunit vaccines.
Answer to Question 2
Answer: Non specific defenses protect your body from any and all non-self protein invaders. They act upon any strain of virus, bacteria, or other pathogen that enters your body. Primary defenses include your skin, the mucus membranes of body openings, and several white blood cells (neutrophils, macrophages, dendritic cells, and natural killer cells).