Received: 1 February 2021
Accepted: 26 April 2021
First Online: 4 May 2021
: The protocol was approved by the Zambia Tropical Diseases Research Centre Ethics Review Committee (00002911). This protocol was also reviewed by the Center for Global Health Human Subjects Research office at the U.S. Centers for Disease Control and Prevention and was determined to be routine program evaluation (2019–419). Both ethics committees waived informed consent for patient medical chart reviews, including for subjects below the age of 18 years. Informed consent was obtained from all healthcare workers prior to interview. This survey was also approved by the National Health Research Authority-Zambia. All data collection methods were carried out in accordance with relevant guidelines and regulations.
: Not applicable.
: The authors declare that they have no competing interests.