How does roundworm progress?

Start w Transmission. Round worm infections begin with transmission. Transmission of round worms in humans depends on the specific type. Trichinosis can occur from eating undercooked pork. Ascaris may be transmitted by touching feces (dogs/ cats/ poor sanitation). Pin worm can be transmitted when scratching the anus & touching others. Hookworms, strongyloides & whipworm may penetrate the skin when walking barefoot.