The Types classification further refines the market into distinct product families: monoclonal antibodies, recombinant fusion proteins, and small‑molecule inhibitors. Monoclonal antibodies, exemplified by palivizumab‑type agents, dominate the prophylactic space due to their high specificity and established clinical efficacy, commanding premium pricing and substantial R&D investment. Recombinant fusion proteins, engineered to mimic the native RSV F protein, are primarily positioned in therapeutic regimens, offering advantages in manufacturing scalability and potential for combination therapies, thus contributing a growing share of the market as pipeline candidates advance. Small‑molecule inhibitors, though currently representing the smallest share, are gaining traction in both therapeutic and diagnostic contexts because of oral administration routes and lower production costs, which could reshape cost‑effectiveness analyses. Each type’s distinct regulatory pathway, development timeline, and pricing model directly influences its contribution to total market volume, reinforcing the importance of a nuanced market taxonomy for strategic planning.