legislate on sth In the interests of balancing the economy, Congress must legislate on trade. legislate to do sth Several ministers are legislating to ban political donations from people not registered to vote.
E. vermicularis, commonly referred to as the pinworm or seatworm, is a nematode, or roundworm, with the largest geographic range of any helminth. 1 It is the most prevalent nematode in the United States. Humans are the only known host, and about 209 million persons worldwide are infected.. lamblia. G. lamblia is a pear-shaped, flagellated protozoan (Figure 2) that causes a wide variety of gastrointestinal complaints. Giardia is arguably the most common parasite infection of humans worldwide, and the second most common in the United States after pin-worm.
Three different types of mites commonly infect humans: 1  Demodex mites. 2  Scabies mites which live predominantly on animals, can also infect humans. They don't normally complete their life cycle in humans, but can make for intensely itchy nights, for up to ten days. 3  Bird mites.