Imikhiqizo esebenza izidingo zezempilo zabantu. Ngokusho kwe-WHO, le mikhiqizo kufanele itholakale "ngaso sonke isikhathi, ngamanani anele, amafomu wethamo elifanele, ngekhwalithi eqinisekisiwe kanye nemininingwane ezanele, futhi emphakathini ongakwazi ukukhokhela".