When making yogurt, it is very important to have clean equipment, clean hands and good temperature control.

VOA: special.2009.01.19

In a country where more than half the population was undernourished before the earthquake, the extra hands could be put to good use.

VOA: standard.2010.07.16

"I don't think there's a good reason to close schools in Ethiopia right now. There's every reason in every country to wash your hands.

VOA: standard.2009.04.28

Assistant Director-General for Health Security and Environment at the World Health Organization, Dr.Keiji Fukuda, urged people to practice good hygiene, including washing their hands and covering their mouth when they cough, and if they become sick to stay home.

VOA: standard.2009.04.29