Types A-C
There are three basic types of influenza viruses: A, B, and C. Influenza B and C viruses only infect humans, so novel antigens are not introduced from other species. Only influenza…
H1N1
Find a Flu Clinic Flu.gov H1N1 Influenza Viruses Diagnosis: rapid influenza diagnostic tests (RIDTs), and direct immunofluorescence assays (DFAs) are lower than real time reverse polymerase chain reaction (RT-PCR) tests and viral…
Influenza
See CDC. Influenza Antiviral Medicines (CDC) FDA (drugs approved for influenza) See also Respiratory viruses Introduction: The flu is a contageious respiratory illness caused by influenza viruses. It causes mild to…
Hepatitis C
Companies: Gilead Sciences Merck Non-A, Non-B hepatitis (NANBH) is a transmissible disease (or family of diseases) that is believed to be virally induced. Epdemiologic evidence suggests that there may be 3…
Hepatitis
Hepatitis A virus (HAV): HAV belongs to the picornavirus group. HAV has diminished in importance over the past several decades in developed countires, but infection remains endemic in many regions of Central…
Dengue
Introduction Dengue virus, is a single-stranded RNA virus belonging to the Flavivirus genus of the Falvivridae family. It exists as four antigenically distinct serotypes (Dengue 1-4) Dengue virus is transmitted to an individual by…
Papillomaviruses
Papillomaviruses may be classified into distinct groups based on the host that they infect. Structure: Papillomaviruses are small (50-60 nm), nonenveloped, icosahedral DNA viruses that encode for up to 80…
Poxviruses
Poxviruses are large double-stranded, DNA, enveloped viruses. Variola: Variola caused worldwide epidemics. It has been eradicated, although US and Russian laboratories and perhaps others have stocks. 2-10 days post infection, one develops…
KSHV
KSHV is of the and is a lymphotropic herpesvirus. KSHV (also known as human herpesvirus 8 or HHV-8) is associated with the malignancies Kaposi's sarcoma (KS), primary effusion lymphoma (PEL) and plasmablastic variant…
HSV-1 & HSV-2
Herpes Simplex Virus 1 & 2 (HSV-1) are closely related (~50% nucleic acid identity and over 70% amino acid identity) of the alpha subgroup. HSV-1 and HSV-2 initially infect and replicate in mucoepithelial cells and…