There are multiple definitions:

1. working from home(English)

   • as an alternative to working in the usual location, typically an office
   • COVID-19, WFAITW, COPSOQ
   • Practical shorthand, Communication
   • https://en.wiki…i/Telecommuting
   • https://doi.org…889-022-14904-0

2. weight for height(English)

   • HFA, PM, WFA
   • Pediatrics, Nutrition, Aging
   • https://doi.org…9/jogh.13.04112

3. World Federation of Haemophilia(English)

   • Hematology, Orthopedics
   • https://doi.org…5/s-2007-965228