Researchers at the London School of Hygiene and Tropical Medicine found that “appropriate hand - washing can cut diarrhoeal diseases by 43%, ” says The Economist.
Para peneliti di Sekolah Higiene dan Obat - obatan Tropis London mendapati bahwa ” mencuci tangan dengan benar bisa mengurangi penyakit diare sebanyak 43% ”, kata The Economist.