UKUSHINTSHA KWAMAHHALA KUYO YONKE IMikhiqizo ye-BUSHNELL
Imikhiqizo enikeza izidingo zempilo zabantu. Ngokusho kwe-WHO, le mikhiqizo kufanele itholakale "ngaso sonke isikhathi, ngamanani anele, kumafomu womthamo ofanele, ngekhwalithi eqinisekisiwe nolwazi olufanele, futhi ngentengo umuntu nomphakathi abangakwazi ukuyikhokhela".