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Medusavirus is a nucleocytoplasmic large DNA virus first isolated from a Japanese hot spring in 2019. [1] It notably encodes all five types of histones — H1, H2A, H2B, H3, and H4 — which are involved in DNA packaging in eukaryotes, raising the possibility that they may have been involved in the origin of eukaryotes. [1]
In May 2022, the World Health Organization (WHO) made an emergency announcement of the existence of a multi-country outbreak of mpox, a viral disease then commonly known as "monkeypox". [7] The initial cluster of cases was found in the United Kingdom , [ 8 ] where the first case was detected in London on 6 May 2022 [ 9 ] in a patient with a ...
[21] [22] According to the World Health Organization, approximately 10 million new TB infections occur every year, and 1.5 million people die from it each year – making it the world's top infectious killer (before COVID-19 pandemic). [21] However, there is a lack of sources which describe major TB epidemics with definite time spans and death ...
Pithovirus—the largest known virus; Parvovirus—smallest known viruses; Pelagibacter ubique—possesses one of the smallest bacterial genomes; Virophage—a virus that requires the host cell to be co-infected with a giant virus; The Giant Virus Finder is a software tool that identifies giant viruses in environmental Metagenomes.
This is a list of all virus species, including satellites and viroids.Excluded are other ranks, and other non-cellular life such as prions.Also excluded are common names and obsolete names for viruses.
This was in accordance with WHO's 2015 guidance [30] against using geographical locations, animal species, or groups of people in disease and virus names. [ 31 ] [ 32 ] On 11 February 2020, the International Committee on Taxonomy of Viruses adopted the official name "severe acute respiratory syndrome coronavirus 2" (SARS‑CoV‑2). [ 33 ]
Avoiding exposure to bats and to sick pigs and people. Treatment: Supportive care only [2] Prognosis: The case fatality rate of Nipah virus infection is estimated at 40–75% but can vary by outbreak depending on surveillance and clinical management in affected areas. [3] Frequency ~701 human cases (1998 to May 2018) [4] [5] Deaths ~50 to 75% ...
A genetically modified virus is a virus that has been altered or generated using biotechnology methods, and remains capable of infection. Genetic modification involves the directed insertion , deletion , artificial synthesis or change of nucleotide bases in viral genomes.