Hand-washing seems pretty simple, but a recent study shows that 97% of the time, we're still doing it wrong -- which can lead to contamination of food and surfaces and result in foodborne illness.
원문출처 : https://www.cnn.com/2018/06/30/health/hand-washing-study-usda/index.html
원문출처 : https://www.cnn.com/2018/06/30/health/hand-washing-study-usda/index.html