The Anti-Viral Drugs segmentation by application delineates market share according to disease targets, a primary driver of revenue streams. HIV treatment accounts for the largest share, reflecting sustained demand for lifelong regimens and the high price points of combination therapies. Hepatitis B and C together represent a significant portion, propelled by curative regimens that have shifted from interferon‑based to direct‑acting antivirals, expanding patient access. Influenza maintains a steady contribution, driven by seasonal vaccine‑linked prophylaxis and the need for rapid‑acting oral agents during outbreaks. COVID-19 emerged as a distinct segment, capturing a rapid influx of novel antivirals and repurposed agents, though its share is expected to normalize as pandemic pressure eases. Herpes simplex virus therapies, while niche, benefit from chronic management of recurrent infections, adding a stable, albeit smaller, revenue base. Collectively, these application categories define the overall market size, with each segment’s growth linked to epidemiological trends, regulatory approvals, and pricing dynamics.