Coronavirus disease 2019 (COVID-19)
Blinded study
Medicine
Double blinded
Medical microbiology
Convalescent plasma
Randomized controlled trial
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)
Tropical medicine
2019-20 coronavirus outbreak
Parasitology
Internal medicine
Intensive care medicine
Virology
Pathology
Alternative medicine
Outbreak
Infectious disease (medical specialty)
Disease
Placebo
