[4] These nematodes can infect but not mature in humans after migrating through the intestinal wall, travel with the bloodstream to various organs, and cause inflammation and damage.

Only a few roundworm eggs are necessary to cause larva migrans in human children or adults.

This number is much higher in other parts of the world, such as Colombia, where up to 81% of children have been infected.

[5] Cutaneous larva migrans is a condition where nematodes such as Ancylostoma braziliense migrate to the skin.

[6] A list of causative agents of larva migrans syndromes is not agreed upon and varies with the author.