There are multiple definitions:

1. World Action on Salt and Health(English)

   • Hypertension, Nutrition, Organizations (international)

2. water, sanitation, and hygiene [program](English)

   • MDA, STH, AGP, CRP, GMR, GRADE, Hb, IDA, IPD, IYCF, LNS, MNP, MQ, PD, PR, RBP, SBCC, SES, SQ, sTfR, WLZ, ZPP
   • Water, Nutrition, Safety and health, Hygiene
   • https://doi.org…55/2022/4603638
   • https://doi.org…93/ajcn/nqab276