Have Hand Hygiene Practices in Two Tertiary Care Hospitals, Freetown, Sierra Leone, Improved in 2023 following Operational Research in 2021? - Moiwo MM; Kamara GN; Kamara D; Kamara IF; Sevalie S; Koroma Z; Kamara KN; Kamara MN; Kamara RZ; Kpagoi SSTK; Konteh SA; Margao S; et al. (Tropical medicine and infectious disease, 2023)