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  1. Hace 21 horas · El virus de la gripe aviar H5N1 que ha pasado de los pájaros al ganado bovino en EEUU ha dado el salto zoonótico para transmitirse entre mamíferos, confirma un estudio publicado en la revista ...

  2. Hace 21 horas · Human infections with A/H5N1 virus have been reported in 23 countries since 1997, resulting in severe pneumonia and death in about 50% of cases. As of May 2024, 889 human cases had been identified worldwide, with 463 fatalities, giving a case fatality rate of around 50%; [9] however, it is likely that this may be an overestimate given that mild infections can go undetected and under-reported.

  3. Hace 21 horas · Study with Quizlet and memorize flashcards containing terms like life cycle of an enveloped animal virus, lytic infections exhibited by bacteriophage, Analyze the statements below, and select those that correctly apply to the unique characteristics of viruses. and more.