The preliminary experiment of a cocktail of two antibody drugs, Casirvimab and Imdevimab, has been successful, Brihanmumbai Municipal Corporation said. "The number of [COVID-19] patients in need of oxygen after this cocktail medication is only 0.5%...mortality rate is reduced by 70%," BMC added. "Earlier...requirement of 13 to 14 days of hospitalisation reduced to five to six days," BMC stated.