Hemispherx Biopharma Inc. said that as the it works toward the re-launch of Alferon N, it has extended its agreement with Armada Health Care LLC for two years for the sales and marketing of Alferon N Injection, its Food and Drug Administration (FDA) approved natural interferon, in the U.S. Under this agreement, the company will manufacture and supply Alferon N Injection to physicians and patients through Armada’s national network of specialty pharmacies. Armada has agreed to provide ongoing sale...