Scrubbing and rubbing

For routine surgical hand preparation alcohol-based handrubs are superior to scrubs because they are equally effective but cause less skin irritation, are cheaper, and use less water.
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Entamoeba histolytica is a protozoal (single-celled) parasite of the Entamoebidae family.
Living in the large intestine the parasite causes different types of amoebiasis. The most common are intestinal amoebiasis (amoebic dysentery) and liver amoebiasis (amoebic liver abscess).
Transmission mainly occurs via contaminated water and food respectively.
For a successful inactivation of parasites, specific disinfectants effective against parasites are required.