Year	Milestone (Information Source)
2003	Infection Prevention and Control—Injection Safety (IPC-IS) Programme started to be implemented with funding from PEPFAR that was provided as part of the wider HIV/AIDS funding ( [3] .
2003-2005	Nationwide health care waste management training [4] .
2004	First National Infection Prevention and Control Guidelines for Healthcare Services was developed [5] .
2004	Making Medical Injections Safer (MMIS) project, a five years project (2004-2009) implementation was started with funding support from PEPFAR through the Centers for Disease Control and Prevention [6] .
2009	Quality Improvement - Infection Prevention and Control Orientation Guide for Participants was developed (supported by the United States’ Agency for International Development [USAID] through the ACCESS program and PEPFAR) with the aim of providing healthcare workers with readable and user-friendly basics of Quality Improvement concepts, IPC practices and logistics management, while incorporating behavior change and communication, to improve quality in health care [7] .
2010	Implementation of IPC Standards for Hospitals using the Standard Based Management and Recognition (SBM-R) approach was started [8] .
2012	National Communication Strategy for IPC was developed which addresses key social and behavior change communication issues for IPC and outline strategic actions that can help to move people toward the intended behavioral outcomes [9] .
2014	Star Rating Assessment initiative was developed and implemented as part of a wider Government of Tanzania effort called Big Results Now in which one of the service areas assessed was IPC. Analysis of its baseline data (2015-16) and reassessment (2017-2018) has revealed improvement in adherence to IPC principles [10] .
2015	National IPC Standards for Health Centres and National IPC Standards for Dispensaries were developed [8] .
2015	PEPFAR support for IPC ended in 2015.
2018	The National Infection Prevention and Control Guidelines for Healthcare Services of 2004 were revised to produce a 2018 edition [8] .
2020	The IPC Standards for Hospitals, Health Centres, and Dispensaries were revised coupled with development of Standard Operating Procedures [8] .
2019 to April, 2021	On-going dissemination of the guidelines, standards and standard operating procedures accompanied with IPC standards compliance assessment using SBM-R tool [11] .