Figure 1
Flow Diagram Showing the Study Selection Process of Clinical Trials Discussed in This Article and Listed in Table 1 in the Main Text.
Data in the WHO International Clinical Trials Registry were incorporated from various national registries, including those from Australia, New Zealand, China, The Netherlands, Brazil, India, Cuba, Republic of Korea, Germany, Iran, Japan, Sri Lanka, Thailand, and Peru, and also ClinicalTrials.gov, EU Clinical Trials registry, International Standard Randomised Controlled Trial Number (ISRCTN)xi, and the Pan-African registries. Three studies included treatment for patients with COVID-19 and an intervention to prevention infection in uninfected patients.
