Clinical Trial to Evaluate Mycobacterium w in Preventing COVID-19 in Subjects at Risk of Getting Infected With COVID-19

Approximately eligible 4000 subjects who are at risk of getting infected with COVID-19 (i.e. person living in same household as COVID-19 patients / healthcare workers providing direct care to COVID-19 patients) will be enrolled in to the study after due consent and based on the eligibility criteria. Initially, 400 subjects at risk of getting infected with COVID-19 will be enrolled in the study and randomized in 1:1 ratio to receive either Mw (n=200) or placebo (n=200). After the interim analysis from the data of these 400 subjects for safety and efficacy and based on review and recommendations from DSMB / MC, modification in study design, objective or sample size will be considered. Study duration for each subject will be of 8 weeks.