This group includes cleaner shrimps as well as parasites and commensals.

These organisms can include natural predators or parasites of the pests.

There are many causes of infectious diarrhea, which include viruses, bacteria and parasites.

They usually don't include parasites, animals that infect and live off others.

They leave no doubt however about the need to include parasites in any comprehensive study of tiger ecology.

It includes the sheep tick, horse tick, and other parasites.

Less common causes include other bacteria (or their toxins) and parasites.

The culprits include parasites and bacteria that are generally not found in cooked seafood.

Factors that disrupt the microorganism population of the large intestine include antibiotics, stress, and parasites.

These harmful germs can include bacteria, parasites, and viruses.