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Human polyomavirus 2, commonly referred to as the JC virus or John Cunningham virus, is a type of human polyomavirus (formerly known as papovavirus). [3] It was identified by electron microscopy in 1965 by ZuRhein and Chou, [ 4 ] and by Silverman and Rubinstein.
Polyomaviridae is a family of viruses whose natural hosts are primarily mammals and birds. [1] [2] As of 2024, there are eight recognized genera. [3]Fourteen species are known to infect humans, while others, such as Simian Virus 40, have been identified in humans to a lesser extent.
The cause of PML is a type of polyomavirus called the JC virus (JCV), after the initials of the person (John Cunningham) from whose tissue the virus was first successfully cultured. Publications indicate 39 [ 3 ] to 58% [ 4 ] of the general population are seropositive for antibodies to JCV, indicating current or previous infection with the virus.
The BK virus, also known as Human polyomavirus 1, is a member of the polyomavirus family. Past infection with the BK virus is widespread, [1] but significant consequences of infection are uncommon, with the exception of the immunocompromised and the immunosuppressed. BK virus is an abbreviation of the name of the first patient, from whom the ...
Here's what to do if you start experiencing them.
Human papillomavirus infection (HPV infection) is caused by a DNA virus from the Papillomaviridae family. [5] Many HPV infections cause no symptoms and 90% resolve spontaneously within two years. [1] In some cases, an HPV infection persists and results in either warts or precancerous lesions. [2]
Human metapneumovirus is a leading cause of acute respiratory infection, according to the American Lung Association. As with RSV, most humans have been infected with HMPV by age 5.
The 2 Most Common COVID Symptoms Doctors Are Seeing Right Now. Infectious disease experts we spoke with were pretty unanimous: The two most common COVID-19 symptoms they've seen recently are fever ...