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A DNA virus is a virus that has a genome made of deoxyribonucleic acid (DNA) that is replicated by a DNA polymerase.
A virus is composed of nucleic acid, either DNA or RNA, surrounded by a protein coat. It requires a living cell in which to multiply. A viral infection can lead to a spectrum of symptoms from asymptomatic (no overt symptoms) to severe disease.
PMCID: PMC7152303. History. Viruses exact an enormous toll on the human population and are the single most important cause of infectious disease morbidity and mortality worldwide. Viral diseases in humans were first noted in ancient times and have since shaped our history.
4 lut 2018 · DNA Viruses. A 17-year-old patient presents to your clinic with a new rash. He is a wrestler on his high school varsity team. The rash is mildly itchy, but the patient denies any oozing or bleeding. On exam, you note umbilicated, waxy spots along his neck, arms, and waist in a nonspecific pattern.
Infectious diseases as a result of DNA virus infections are a major health concern worldwide. The major pathogenic DNA viruses include cytomegalovirus (CMV), herpes simplex virus (HSV), Epstein–Barr virus, Kaposi's sarcoma-associated herpesvirus, polyoma virus and human papilloma virus.
9 sty 2023 · The adenoviruses are DNA viruses common in animals and humans, occurring frequently in adults and children. There are more than 100 serologically different adenovirus types, with 49 types that infect humans. The virus infects multiple organ systems, though most infections are asymptomatic.
In 1988 and 1991 a novel type of single-stranded DNA (ssDNA) virus causing yellowing and dwarfing diseases of legumes or banana was described. The viruses were persistently transmitted by aphids and not transmissible by sap.
