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Human parvovirus B19 is a non-enveloped, icosahedral virus that contains a single-stranded linear DNA genome of approximately 5,600 base pairs in length. [ 10] B19V's nonenveloped viral particles are ~22 to 24 nm in diameter which are quite small compared to other parvoviruses. [ 3] The infectious particles may contain either positive or ...
A blood-borne disease is a disease that can be spread through contamination by blood and other body fluids. Blood can contain pathogens of various types, chief among which are microorganisms, like bacteria and parasites, and non-living infectious agents such as viruses. Three blood-borne pathogens in particular, all viruses, are cited as of ...
Brontok originated in Indonesia. It was first discovered in 2005. The name refers to elang brontok, a bird species native to South & Southeast Asia. It arrives as an attachment of e-mail named kangen.exe (kangen itself means "to miss someone/thing"). The virus/email itself contains a message in Indonesian (and some English).
Symptoms include fever, headache, cough and sore throat, the CDC said. Common signs can be a fever or flu-like symptoms followed by a reddish “slapped check” rash in children a few later ...
The virions are about 75 nm wide and 180 nm long. [ 2] Rhabdoviruses are enveloped and have helical nucleocapsids and their genomes are linear, around 11–15 kb in length. [ 5][ 2] Rhabdoviruses carry their genetic material in the form of negative-sense single-stranded RNA. They typically carry genes for five proteins: large protein (L ...
Influenza virus life cycle. Entry. Replication. Latency. Shedding. Viruses are only able to replicate themselves by commandeering the reproductive apparatus of cells and making them reproduce the virus's genetic structure and particles instead. How viruses do this depends mainly on the type of nucleic acid DNA or RNA they contain, which is ...
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]
Human metapneumovirus. Human metapneumovirus ( HMPV or hMPV) is a negative-sense single-stranded RNA virus of the family Pneumoviridae [ 1] and is closely related to the Avian metapneumovirus (AMPV) subgroup C. It was isolated for the first time in 2001 in the Netherlands by using the RAP-PCR (RNA arbitrarily primed PCR) technique for ...