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Respiratory syncytial virus (RSV), [a] also called human respiratory syncytial virus (hRSV) and human orthopneumovirus, is a contagious virus that causes infections of the respiratory tract. It is a negative-sense, single-stranded RNA virus. [2] Its name is derived from the large cells known as syncytia that form when infected cells fuse. [2] [3]
Alkhurma virus (ALKV) (Arabic: فيروس الخرمة) is a zoonotic virus of the Flaviviridae virus family (class IV). ALKV causes Alkhurma hemorrhagic fever ( AHF ), or alternatively termed as Alkhurma hemorrhagic fever virus, and is mainly based in Saudi Arabia .
The virus is released from the host cell upon fusion of the transport vesicle with the host cell membrane, the cleaved Pr now segments dissociate, resulting in a fully mature, infectious virus. [ 1 ] [ 11 ] However, partially mature and immature viruses are sometimes released as well; immature viruses are noninfectious as the E proteins are not ...
The Molluscum contagiosum virus virion is described as oval-shaped and has the dimension of approximately 320 nm × 250 nm × 200 nm. The virus has two distinct infectious particles called the mature virion (MV) and the enveloped virion (EV), which differ in that the EV contains a second outer cellular membrane.
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. The taxonomy is taken from ICTV taxonomy 2022 release [1] For a list of virus families and subfamilies, see List of virus families and ...
Ramadan [b] (Arabic: رَمَضَان, romanized: Ramaḍān [ra.ma.dˤaːn]; [c] also spelled Ramazan, Ramzan, Ramadhan, or Ramathan) is the ninth month of the Islamic calendar, [10] observed by Muslims worldwide as a month of fasting , prayer , reflection, and community. [11]
The respiratory syncytial virus , on the other hand, is contracted by direct contact and airborne droplets. It then replicates in the nose and throat before spreading to the lower respiratory tract. [48] RSV does cause epithelium damage. [48] Human parainfluenza virus typically results in inflammation of the nose, throat, and bronchi. [49]
When the virus comes in contact with the membrane of a host cell, it binds to a receptor site and triggers a folding-in of the membrane. Once the virus is inside the host cell, the capsid dissolves, and the RNA gets replicated, and translated into viral proteins by the cell's ribosomes using a cap-independent mechanism driven by the internal ribosome entry site element.