Simian immunodeficiency virus (SIV) is a species of retrovirus that cause persistent infections in at least 45 species of African non-human primates. Based on analysis of strains found in four species of monkeys from Bioko Island, which was isolated from the mainland by rising sea levels about 11,000 years ago, it has been concluded that SIV has been present in monkeys and …

HTLV-1 is an abbreviation for human T-cell lymphotropic virus type 1, also called human T-cell leukemia type 1, a virus that has been implicated in several kinds of diseases, including tropical spastic paraparesis, and as a virus cancer link for leukemia (see adult T-cell leukemia/lymphoma).HTLV-1 has seven reported subtypes (subtypes A through G). The great …

One of the obstacles to treatment of the human immunodeficiency virus (HIV) is its high genetic variability. Major types HIV-1. HIV-1 is the most common and pathogenic strain of the virus. Over 2 million such infections occur annually. Scientists divide HIV-1 into a major group (Group M) and two or more minor groups, namely Group N, O and ...

Feline leukemia virus (FeLV) is a retrovirus that infects cats.FeLV can be transmitted from infected cats when the transfer of saliva or nasal secretions is involved. If not defeated by the animal's immune system, the virus weakens the cat's immune system, which can lead to diseases which can be lethal.Because FeLV is cat-to-cat contagious, FeLV+ cats should only …

Etimologi. Kata virus berasal dari bahasa Latin vīrus yang berarti racun dan cairan berbahaya lainnya, yang lebih jauh berasal dari rumpun bahasa Indo-Eropa lain seperti bahasa Sanskerta viṣa, bahasa Avesta vīša, dan bahasa Yunani Kuno ἰός yang semuanya berarti racun. Kata sifat virulen dari bahasa Latin virulentus yang artinya beracun muncul sekitar tahun 1400.

The human microbiome is the aggregate of all microbiota that reside on or within human tissues and biofluids along with the corresponding anatomical sites in which they reside, ... Human immunodeficiency virus. The HIV disease progression influences the composition and function of the gut microbiota, with notable differences between HIV ...

Feb 23, 2021 · Ebola virus disease (EVD), formerly known as Ebola haemorrhagic fever, is a rare but severe, often fatal illness in humans. The virus is transmitted to people from wild animals and spreads in the human population through human-to-human transmission. The average EVD case fatality rate is around 50%. Case fatality rates have varied from 25% to 90 ...

Feline immunodeficiency virus (FIV) is a Lentivirus that affects cats worldwide, with 2.5% to 4.4% of felines being infected.. FIV was first isolated in 1986, by Niels C Pedersen and Janet K. Yamamoto at the UC Davis School of Veterinary Medicine in a colony of cats that had a high prevalence of opportunistic infections and degenerative conditions and was originally called …

At this point, the virus was named LAV for Lymphadenopathy Associated Virus, which would later be renamed to HIV, the human immunodeficiency virus. 1983 marked the beginning of Barré-Sinoussi's career researching HIV that continued until her retirement. 1983 was also the year it became clear that HIV was not only a target for what was known as ...

Hiv of humaan immunodeficiëntievirus (wetenschappelijke namen: human immunodeficiency virus 1 en human immunodeficiency virus 2) is een snel muterend retrovirus dat verantwoordelijk is voor aids, een ziekte die het immuunsysteem zodanig verzwakt dat zich levensbedreigende opportunistische infecties en bepaalde vormen van kanker kunnen …