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Hepatitis A is an infectious disease of the liver caused by Hepatovirus A (HAV); [7] it is a type of viral hepatitis. [8] Many cases have few or no symptoms, especially in the young. [1] The time between infection and symptoms, in those who develop them, is two–six weeks. [2] When symptoms occur, they typically last eight weeks and may ...
The history of coronaviruses is an account of the discovery of the diseases caused by coronaviruses and the diseases they cause. It starts with the first report of a new type of upper-respiratory tract disease among chickens in North Dakota, U.S., in 1931. The causative agent was identified as a virus in 1933.
Infectious diseases, gastroenterology. Viral hepatitis is liver inflammation due to a viral infection. [1][2] It may present in acute form as a recent infection with relatively rapid onset, or in chronic form, typically progressing from a long-lasting asymptomatic condition up to a decompensated hepatic disease and hepatocellular carcinoma (HCC).
Coronavirus diseases. For the disease involved in the pandemic since 2019, see COVID-19. Coronavirus diseases are caused by viruses in the coronavirus subfamily, a group of related RNA viruses that cause diseases in mammals and birds. In humans and birds, the group of viruses cause respiratory tract infections that can range from mild to lethal.
Mouse hepatitis virus (MHV), which is a member of the species Murine coronavirus, [143] causes an epidemic murine illness with high mortality, especially among colonies of laboratory mice. [144] Prior to the discovery of SARS-CoV, MHV was the best-studied coronavirus both in vivo and in vitro as well as at the molecular level.
A lack of exposure to a common virus during Covid restrictions could be behind the surge in hepatitis cases among young children, experts have suggested. ... Parents have been urged to be alert to ...
Murine coronavirus (M-CoV) is a virus in the genus Betacoronavirus that infects mice. [3] Belonging to the subgenus Embecovirus, [4] murine coronavirus strains are enterotropic or polytropic. Enterotropic strains include mouse hepatitis virus (MHV) strains D, Y, RI, and DVIM, whereas polytropic strains, such as JHM and A59, primarily cause ...
Human coronavirus OC43[1] (HCoV-OC43) is a member of the species Betacoronavirus 1, which infects humans and cattle. [2][3] The infecting coronavirus is an enveloped, positive-sense, single-stranded RNA virus that enters its host cell by binding to the N-acetyl-9-O-acetylneuraminic acid receptor. [4] OC43 is one of seven coronaviruses known to ...