ESTP - The Persuader. ESTPs are action-loving, here and now realists with excellent people skills. Informal, risk-taking, fast-paced and adaptable, they are not always in agreeance with rules and regulations. They are tactical problem solvers that desire quick results.
Nematoda is the most common group of stomach parasites, and includes hookworms, roundworms, pinworms, heart worms, and trichinosis. Of these, roundworms are the most common, with more than a billion people infected worldwide.
Types of Roundworms. There are a number of different species of roundworms but the most common ones to infect humans include: 1  Ascaris lumbricoides (most common roundworm infections in humans). 2  Hookworms (Ancylostoma duodenale and Necator americanus). 3  Guinea worm (Dracunculus medinensis).