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.
What Are Gastrointestinal Infections? Diarrhea, with its frequent and watery bowel movements, often is caused by gastrointestinal infections (although other illnesses and dietary changes also can be culprits). Germs such as parasites, viruses, or bacteria all can cause gastrointestinal (GI) infections. Which germs are responsible for diarrhea depends on the geographic area a person lives in and its level of sanitation, economic development, and hygiene standards.