Beijing.- Descubren en China nueva cepa del virus de la gripe porcina. El virus fue denominado como G4 y descienden gen\u00e9ticamente de la cepa H1N1, misma que tiene todos los rasgos esenciales que muestran una alta adaptabilidad para infectar a los humanos.<\/p>\n
Del 2011 al 2018, cient\u00edficos tomaron 30 mil muestras en mataderos en 10 provincias chinas y en un hospital veterinario con hisopos nasales en cerdos, lo que permiti\u00f3 aislar 179 virus de gripe porcina.<\/p>\n
La mayor\u00eda eran de la nueva variedad, misma que se ha vuelto dominante en los puercos desde 2016.<\/p>\n
Una vez realizado el muestreo, los investigadores llevaron a cabo diversos experimentos en laboratorio con hurones y observaron que los virus G4 eran m\u00e1s infecciosos y causaban s\u00edntomas m\u00e1s graves que otras cepas.<\/p>\n
Tambi\u00e9n se comprob\u00f3 mediante pruebas “in vitro” que la inmunidad obtenida tras el contacto con virus de la gripe estacional no protege contra el G4.<\/p>\n
A su vez, se detect\u00f3 que un n\u00famero relativamente alto de trabajadores que tienen contacto habitual con cerdos hab\u00edan sido infectados.<\/p>\n
Seg\u00fan los an\u00e1lisis de sangre que detectaron la presencia de anticuerpos contra el virus en el 10.4% de los empleados.<\/p>\n
Comprobando que el virus ya se ha propagado a los humanos, pero aun no hay evidencia de que pueda transmitirse de humano a humano.<\/p>\n
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Beijing.- Descubren en China nueva cepa del virus de la gripe porcina. El virus fue denominado como G4 y descienden gen\u00e9ticamente de la cepa H1N1, misma que tiene todos los rasgos esenciales que muestran una alta adaptabilidad para infectar a los humanos. Del 2011 al 2018, cient\u00edficos tomaron 30 mil muestras en mataderos en 10 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