POLYMER DERIVATIVES AND POLYETHYLENE GLYCOL DERIVATIVES FOR USE IN THE MANUFACTURE OF VIRAL THERAPEUTICS, DIAGNOSTICS, AND IMAGING AGENTS FOR DIAGNOSTIC PURPOSES; POLYMER DERIVATIVES AND POLYETHYLENE GLYCOL DERIVATIVES FOR USE IN THE MANUFACTURE OF COSMETIC AND PHARMACEUTICAL PREPARATIONS AND SUBSTANCES; POLYMER BEADS FOR USE IN MANUFACTURING; POLYALKYLENE GLYCOLS FOR USE IN THE MANUFACTURE OF VIRAL THERAPEUTICS, DIAGNOSTICS, AND IMAGING AGENTS FOR DIAGNOSTIC PURPOSES; VIRAL AGENTS FOR USE IN...