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23 de may. de 2024 · updated: May 23, 2024. Definición. Un virus es un microorganismo infeccioso que consta de un segmento de ácido nucleico (ADN o ARN) rodeado por una cubierta proteica. Un virus no puede replicarse solo; por el contrario, debe infectar a las células y usar componentes de la célula huésped para fabricar copias de sí mismo.
Hace 1 día · Influenza, commonly known as " the flu " or just " flu ", is an infectious disease caused by influenza viruses. Symptoms range from mild to severe and often include fever, runny nose, sore throat, muscle pain, headache, coughing, and fatigue.
Hace 5 días · Frequency. 20 million per year [3] Deaths. 140,000+ (2018) [9] [10] Measles is a highly contagious, vaccine-preventable infectious disease caused by measles virus. [3] [5] [11] [12] [13] Symptoms usually develop 10–12 days after exposure to an infected person and last 7–10 days.
24 de may. de 2024 · 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. For a list of virus families and subfamilies, see List of virus families and ...
23 de may. de 2024 · Definition. A virus is an infectious microbe consisting of a segment of nucleic acid (either DNA or RNA) surrounded by a protein coat. A virus cannot replicate alone; instead, it must infect cells and use components of the host cell to make copies of itself. Often, a virus ends up killing the host cell in the process, causing damage to the host ...
Hace 2 días · Frequency. 60–95% (adults) [4] Herpes simplex, often known simply as herpes, is a viral infection caused by the herpes simplex virus. [5] Herpes infections are categorized by the area of the body that is infected. The two major types of herpes are oral herpes and genital herpes, though other forms also exist.
21 de may. de 2024 · Poliomielitis. Aplicación de la vacuna (oral) contra la poliomielitis en un centro de salud de Bonn, Alemania Occidental (1967). La poliomielitis es una enfermedad viral causada por el poliovirus, 19 que afecta mayoritariamente a los menores de cinco años de edad.
