1. World Health Organization. Maintaining essential health services: operational guidance for the COVID-19 context. https://www.who.int/publications/i/item/10665-332240. Published 2020. Accessed 14 July 2020.
2. World Health Organization. Cleaning and disinfection of environmental surfaces in the context of COVID-19: interim guidance,15 May 2020. https://apps.who.int/iris/handle/10665/332096. Published
3. 2020. Accessed 23 July, 2020.
4. The Centers for Disease Control and Prevention (CDC) and the Infection Control Africa Network (ICAN). Best Practices for Environmental Cleaning in Healthcare Facilities: in Resource-Limited Settings. https://www.cdc.gov/hai/pdfs/resource-limited/environmental-cleaning-RLS-H.pdf. Published 2019. Accessed 23 July, 2020.
5. World Health Organization. Transmission of SARS-CoV-2: implications for infection prevention