El virus Virus Viruses are infectious, obligate intracellular parasites composed of a nucleic acid core surrounded by a protein capsid. Viruses can be either naked (non-enveloped) or enveloped. The classification of viruses is complex and based on many factors, including type and structure of the nucleoid and capsid, the presence of an envelope, the replication cycle, and the host range. Virology del Zika Zika Zika virus belongs to the genus Flavivirus and is primarily transmitted by Aedes aegypti mosquitoes, but can also be transmitted sexually and transplacentally. Although most infected patients are asymptomatic, some may present with low-grade fever, pruritic rash, and conjunctivitis. Zika Virus Infection pertenece al AL Amyloidosis género Flavivirus Flavivirus A genus of flaviviridae containing several subgroups and many species. Most are arboviruses transmitted by mosquitoes or ticks. The type species is yellow fever virus. Tick-borne Encephalitis Virus y es transmitido principalmente por mosquitos Aedes aegypti, pero también puede transmitirse por vía sexual y transplacentaria. Aunque la mayoría de los LOS Neisseria pacientes infectados son asintomáticos, algunos pueden presentar fiebre, erupción pruriginosa y conjuntivitis. El síndrome de Zika Zika Zika virus belongs to the genus Flavivirus and is primarily transmitted by Aedes aegypti mosquitoes, but can also be transmitted sexually and transplacentally. Although most infected patients are asymptomatic, some may present with low-grade fever, pruritic rash, and conjunctivitis. Zika Virus Infection congénito es la complicación más grave de una infección por el virus Virus Viruses are infectious, obligate intracellular parasites composed of a nucleic acid core surrounded by a protein capsid. Viruses can be either naked (non-enveloped) or enveloped. The classification of viruses is complex and based on many factors, including type and structure of the nucleoid and capsid, the presence of an envelope, the replication cycle, and the host range. Virology del Zika Zika Zika virus belongs to the genus Flavivirus and is primarily transmitted by Aedes aegypti mosquitoes, but can also be transmitted sexually and transplacentally. Although most infected patients are asymptomatic, some may present with low-grade fever, pruritic rash, and conjunctivitis. Zika Virus Infection, donde la infección fetal transplacentaria se manifiesta con defectos oculares, microcefalia, espasticidad y convulsiones. El diagnóstico se realiza mediante PCR PCR Polymerase chain reaction (PCR) is a technique that amplifies DNA fragments exponentially for analysis. The process is highly specific, allowing for the targeting of specific genomic sequences, even with minuscule sample amounts. The PCR cycles multiple times through 3 phases: denaturation of the template DNA, annealing of a specific primer to the individual DNA strands, and synthesis/elongation of new DNA molecules. Polymerase Chain Reaction (PCR) con transcripción inversa o serología. Dado que no existe un tratamiento definitivo para una infección por el virus Virus Viruses are infectious, obligate intracellular parasites composed of a nucleic acid core surrounded by a protein capsid. Viruses can be either naked (non-enveloped) or enveloped. The classification of viruses is complex and based on many factors, including type and structure of the nucleoid and capsid, the presence of an envelope, the replication cycle, and the host range. Virology del Zika Zika Zika virus belongs to the genus Flavivirus and is primarily transmitted by Aedes aegypti mosquitoes, but can also be transmitted sexually and transplacentally. Although most infected patients are asymptomatic, some may present with low-grade fever, pruritic rash, and conjunctivitis. Zika Virus Infection, el tratamiento es principalmente de soporte. La prevención incluye el control de la población de mosquitos, el uso de repelentes de insectos y el uso de ropa protectora.
Last updated: Jan 9, 2025
Identificación del virus de ARN:
Los virus se pueden clasificar de muchas formas. La mayoría de los virus, sin embargo, tendrán un genoma formado por ADN o ARN. Los virus con genoma de ARN pueden caracterizarse además por ARN monocatenario o bicatenario. Los virus “envueltos” están cubiertos por una fina capa de membrana celular (generalmente extraída de la célula huésped). Si la envoltura está ausente, los virus se denominan virus “desnudos”. Los virus con genomas monocatenarios son virus de “sentido positivo” si el genoma se emplea directamente como ARN mensajero (ARNm), que se traduce en proteínas. Los virus monocatenarios de “sentido negativo” emplean la ARN polimerasa dependiente de ARN, una enzima viral, para transcribir su genoma en ARN mensajero.
Imagen de microscopía electrónica de transmisión del virus del Zika:
Miembro de la familia Flaviviridae, cultivado en células de cultivo LLC-MK2. Las partículas virales tienen un diámetro de 40 nm y tienen una envoltura exterior y un núcleo denso interior. También nótense las vesículas de membrana lisa, que se reconocen como el complejo de replicación de esta familia viral.
Mapamundi que muestra la distribución del virus del Zika (2016)
Imagen: “CDC map of Zika virus distribution as of 15 January 2016” por CDC. Licencia: Dominio Público
Aedes aegypti alimentándose en piel humana
Imagen: “Aedes aegypti bloodfeeding CDC Gathany” por James Gathany. Licencia: Dominio Público
Erupción en la espalda debida a la infección por virus del zika
Imagen: “Epidemiologic investigation of a family cluster of imported ZIKV cases in Guangdong, China: probable human-to-human transmission” por Yingxian Yin, et al. Licencia: CC BY 4.0
Microcefalia en un bebé debido al virus del zika
Imagen: “Microcephaly” por Brar_j- Flickr. Licencia: CC BY 2.0| Virus Virus Viruses are infectious, obligate intracellular parasites composed of a nucleic acid core surrounded by a protein capsid. Viruses can be either naked (non-enveloped) or enveloped. The classification of viruses is complex and based on many factors, including type and structure of the nucleoid and capsid, the presence of an envelope, the replication cycle, and the host range. Virology del Zika Zika Zika virus belongs to the genus Flavivirus and is primarily transmitted by Aedes aegypti mosquitoes, but can also be transmitted sexually and transplacentally. Although most infected patients are asymptomatic, some may present with low-grade fever, pruritic rash, and conjunctivitis. Zika Virus Infection | Virus Virus Viruses are infectious, obligate intracellular parasites composed of a nucleic acid core surrounded by a protein capsid. Viruses can be either naked (non-enveloped) or enveloped. The classification of viruses is complex and based on many factors, including type and structure of the nucleoid and capsid, the presence of an envelope, the replication cycle, and the host range. Virology del Nilo Occidental | Virus Virus Viruses are infectious, obligate intracellular parasites composed of a nucleic acid core surrounded by a protein capsid. Viruses can be either naked (non-enveloped) or enveloped. The classification of viruses is complex and based on many factors, including type and structure of the nucleoid and capsid, the presence of an envelope, the replication cycle, and the host range. Virology del Dengue Dengue An acute febrile disease transmitted by the bite of aedes mosquitoes infected with dengue virus. It is self-limiting and characterized by fever, myalgia, headache, and rash. Severe dengue is a more virulent form of dengue. Dengue Virus | |
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Las siguientes afecciones son diagnósticos diferenciales para el síndrome de Zika Zika Zika virus belongs to the genus Flavivirus and is primarily transmitted by Aedes aegypti mosquitoes, but can also be transmitted sexually and transplacentally. Although most infected patients are asymptomatic, some may present with low-grade fever, pruritic rash, and conjunctivitis. Zika Virus Infection congénito:
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