Footnote

d Ngokuqhelekileyo, utywala obusemzimbeni obumalunga neegram ezisixhenxe buyaphela. Umlinganiselo wokusela uyahluka ngokwamazwe. IWorld Health Organization ichaza ukusela ngomlinganiselo njengokusela iigram ezili-10 zotywala. Lo ngumlinganiselo weemililitha ezingama-250 zebhiya, iimililitha ezili-100 zewayini, okanye iimililitha ezingama-30 zebranti.