 Ramba uchinyora ndima iyi - Dzimwe nyika dzinozivikanwa kuti dzine VX iUnited States, United Kingdom, Russia, North Korea, neSyria. Nzvimbo yemishonga yeSudan, fekitari yemishonga yeAl-Shifa, yakabhombwa neU.S. muna 1998 ichiita maererano nemashoko okuti yaibudisa VX uye kuti mavambo echinhu chacho aiva nechokuita neIraq neAl Qaeda. United States yakanga yawana ivhu rakazivikanwa kuva rine O-ethyl hydrogen methylphosphonothioate EMPTA, kemikari inoshandiswa mukugadzirwa kweVX iyo inogonawo kuva nemashandisirwo ekutengesa. Nyanzvi dzezvombo zvemakemikoro gare gare dzakaratidza kuti mushonga unouraya zvipembenene wefonofos organophosphate unoshandiswa zvikuru ungave wakaitwa chikanganiso nokuda kweEMPTA. Cuba yakawana VX mukati mema1980 uye yakaishandisa mukati mokupindira kwayo kwemauto kwenguva refu muAngola. 