1.   And in exceptional circumstances, microscopic intestinal parasites have survived to indicate some of the health problems that people suffered.

2.   In healthy people, the microscopic parasite can cause flu-like symptoms.

3.   The East Coast version of the worm, or the microscopic parasite itself, could be genetically different enough from the Western strains to make it less deadly.

4.   Two years ago, though, Adama picked up a microscopic parasite called guinea worm by drinking water from the village marsh.

5.   An outbreak of the potentially deadly microscopic parasites giardia and cryptosporidium detected last week panicked Sydneysiders, who are boiling drinking water or buying bottled water.

6.   Four dozen members of the San Francisco Opera have been infected with scabies, an itchy, contagious skin disease caused by microscopic parasites that burrow in the skin.

7.   The culprit was an outbreak of the potentially deadly microscopic parasites giardia and cryptosporidium.

8.   The microscopic parasites that live in stagnant water are gulped down by playful children, thirsty farmers, washing women.

9.   The warning followed the discovery of high levels of the dangerous microscopic parasites giardia and cyptosporidium in the water system.

10.   The technique attacks the microscopic parasite Plasmodium at one of the key points in its complex cycle.