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
Introduction: Poxviruses comprise a family of genetically related, large, enveloped, DNA viruses that replicate exclusively within the cytoplasm of vertebrate or invertebrate cells. DNA viruses typically replicate and express their…
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
Introduction: 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…
Epstein Bar Virus
Introduction: Epstein-Barr virus (EBV), also known as human herpesvirus 4 (HHV-4), is a member of the gammaherpesvirus family. EBV belongs to the gamma 1 or lymphocryptovirus genus and was identified…
Herpesviruses
Introduction: Herpes simplex is a viral disease caused by the herpes simplex virus. According to the World Health Organization, viruses of the Herpesviridae family infect 90% of the Earth’s population.…
Adenoviruses
Introduction Adenoviruses are naked viruses. Because they have no membrane, they are very stable. Adenoviruses were first identified in 1953 as agents derived from human adenoid tissues which could induce the…
RNA viruses
Global Center for Health Security ArboNet (national srveillnace system for arboviral diseases. Also has information on mosquito borne disesaes) Videos: youtube (discusses differences positive and negative RNA viruses) Viral vectors…
DNA viruses
Introduction: Transcription of the DNA virus genome (except for poxviruses) occurs in the nucleus. Many DNA viruses establish persistent infections. DNA viruses use the cellular RNA polymerase to produce mRNA.…
Viruses
NYC Public Health testing laboratory manual (good resource for types of viral and bacterial diseases and tests used to identify them) Global Center for Health Security Global Virus Network (USF)…