 Domestic pharma firm Glenmark Pharmaceuticals had on Saturday launched antiviral drug Favipiravir, under the brand name FabiFlu, for the treatment of patients with mild to moderate COVID-19 at a price of about Rs 103 per tablet Hetero has received the manufacturing and marketing approval for Remdesivir from the Drug Controller General of India DCGI for the treatment of COVID-19, it said in a statement. 