Prespecified Homeopathic Medicines in the Prevention of Confirmed and Suspected Cases of COVID-19: A Community-Based, Double-Blind, Randomized, Placebo-Controlled Prophylaxis Trial.

Introduction: Homeopathic medicines have been used for decades in the prevention and treatment of infectious diseases. However, the preventive efficacy of specific homeopathic medicines in COVID-19 is not well characterized. This study aimed to evaluate the comparative efficacy of prespecified homeopathic medicines in preventing COVID-19.