GenPhar, Inc., a biopharmaceutical company, develops and produces prophylactic and therapeutic vaccines that protect against various virus subtypes. The company offers multivalent vaccines for the United States Army against Marburg, Ebola, a combination of Marburg/Ebola, and dengue viruses; and single and multivalent vaccines for chronic infectious diseases, including cell-based seasonal and pandemic flu, hepatitis B, hepatitis C, and human immunodeficiency virus (HIV). It also provides antiviral services, such as AV-Finder-HIV, a high-throughput screening assay for anti-HIV drug discovery; AV-Select-HIV, a drug resistance assay that directly detects and quantifies anti-HIV drug resistance in patients; AV-Ceptor-HIV, an assay for the determination of chemokine coreceptor usage by HIV-1 virus; and AV-Toxx, a cell based toxicity testing service for antiviral drugs