La 13 Mphalane ke letsatsi la borobeli la "Letsatsi la Lefatše la Thrombosis" (Letsatsi la Lefatše la Thrombosis, WTD).Ka tsoelo-pele e potlakileng ea moruo oa Chaena, tsamaiso ea bongaka le bophelo bo botle ea Chaena e se e ntse e tsoela pele ho utloahala, 'me bophelo bo botle bo fetohile letšoao la bohlokoa la katleho ea naha le katleho ea naha.Leha ho le joalo, ha lilemo tsa botsofali li fihla, palo ea bakuli ba nang le mafu a pelo le methapo ea pelo e ntse e eketseha, ’me mafu a thrombotic a fetohile ’molai ea ka sehloohong a sokelang bophelo le bophelo ba batho.Ka hona, Mokhatlo oa Machaba oa Thrombosis le Hemostasis (ISTH) o theha October 13th selemo se seng le se seng e le "Letsatsi la Lefatše la Thrombosis", ka tšepo ea ho eketsa tlhokomeliso ea sechaba ka mafu a thrombotic ka WTD le ho khothalletsa tlhahlobo e tloaelehileng le phekolo ea mafu a thrombotic.