https://www.selleckchem.com/products/D-Cycloserine.html To ensure patient-centered quality care for all citizens, Quality Improvement (QI) teams have been established across all public hospitals in Tanzania. However, little is known about how hospital staff perceive the performance of hospital QI teams in Tanzania. This study assessed the perceptions of hospital staff of the performance of QI teams in selected regional referral hospitals in Tanzania. This cross-sectional study was conducted in four selected regional referral hospitals between April and August 2018. A self-administered questionnaire was used to collect data from 385 hospital staff in the selected hospitals. Measures of central tendency, proportions and frequencies were used to assess level of perception of hospital staff. Bivariate and multivariate logistic regression was used to test the association between the perceptions of hospital staff of the performance of QI teams and their socio-demographic factors. The overall mean perception score of the performance of QI teams was 4.84 ± 1.25. Hos perception of hospital staff of the performance of QI teams was good, with the main limitation being sharing of hospital QI plans with hospital staff. Hospital staff should be involved in the development and implementation of hospital QI plans, which would promote a positive perception of staff of the performance of QI teams and enhance sustainability of QI teams. Ivermectin is one among several potential drugs explored for its therapeutic and preventive role in SARS-CoV-2 infection. The study was aimed to explore the association between ivermectin prophylaxis and the development of SARS-CoV-2 infection among healthcare workers. A hospital-based matched case-control study was conducted among healthcare workers of AIIMS Bhubaneswar, India, from September to October 2020. Profession, gender, age and date of diagnosis were matched for 186 case-control pairs. Cases and controls were healthcare workers who tested pos