[\'World Health Organization, Inter-Country Support Team Office for East and Southern Africa, P.O. Box 5160, Harare, Zimbabwe.\', \'World Health Organization, Regional Office for Africa, Cité du Djoué, Brazzaville, Congo.\']
Implementation of integrated supportive supervision in the context of coronavirus 19 pandemic: its effects on routine immunization and vaccine preventable surveillance diseases indicators in the East and Southern African countries.