PROFICIENCY TESTING : Wet Preparations

How should you examine a wet preparation for proficiency testing?

Most directions will recommend you shake the vial and take a sample from the mixed vial contents. However, if the number of eggs is few, you may be better off taking a very small drop from the settled material; if you take too large a drop, it will be too thick to examine properly. Make sure you do not add too much iodine; very darkly stained helminth eggs can resemble debris.