Global Anti-Retroviral Drugs Market By Type (Protease Inhibitors, Non-Nucleoside Reverse Transcriptase Inhibitors, Integrase Inhibitors, and Nucleoside Analogs and Nucleoside Reverse Transcriptase Inhibitors), By Application (Hepatitis, HIV/AIDS, Herpes, and Influenza), By Region, and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2019-2028