{"id":435740,"date":"2022-09-05T06:52:01","date_gmt":"2022-09-05T06:52:01","guid":{"rendered":"https:\/\/kinsta.unitedwithisrael.org\/?p=435740"},"modified":"2022-09-05T09:52:01","modified_gmt":"2022-09-05T06:52:01","slug":"origen-del-covid-no-estaria-en-murcielagos-segun-estudio-israeli","status":"publish","type":"post","link":"https:\/\/kinsta.unitedwithisrael.org\/es\/origen-del-covid-no-estaria-en-murcielagos-segun-estudio-israeli\/","title":{"rendered":"Origen del COVID no estar\u00eda en murci\u00e9lagos, seg\u00fan estudio israel\u00ed"},"content":{"rendered":"<p class=\"lead\"><strong><em>M\u00e1s de dos a\u00f1os y medio despu\u00e9s de que el COVID-19 fuera descubierto por primera vez y atribuido a murci\u00e9lagos en China, investigadores de la Universidad de Tel Aviv han declarado que la correlaci\u00f3n entre la pandemia y los mam\u00edferos voladores \u201cno se bas\u00f3 en pruebas suficientemente convincentes\u201d, inform\u00f3 The Jerusalem Post.<\/em><\/strong><\/p>\n<p>Fuente: Enlace Jud\u00edo<\/p>\n<p>\u201cLos murci\u00e9lagos tienen un sistema inmunol\u00f3gico altamente efectivo que les permite lidiar con relativa facilidad con virus considerados letales para otros mam\u00edferos\u201d, declararon.<\/p>\n<p>El estudio fue dirigido por la Dra. Maya Weinberg del laboratorio del Prof. Yossi Yovel, director de la Escuela de Neurociencia Sagol de la Universidad de Tel Aviv y miembro de la Escuela de Zoolog\u00eda y el Museo Steinhardt de Historia Natural.<\/p>\n<p>El equipo de investigaci\u00f3n revis\u00f3 decenas de art\u00edculos y estudios destacados en este campo, y sus conclusiones se publicaron por escrito en el prestigioso iScience Journal bajo el t\u00edtulo \u201cRevisando el paradigma: \u00bfSon los murci\u00e9lagos realmente reservorios de pat\u00f3genos o poseen un sistema inmunol\u00f3gico eficiente?\u201d.<\/p>\n<p>Los investigadores explican que la \u201creputaci\u00f3n infame\u201d de los murci\u00e9lagos (mam\u00edferos del orden de los quir\u00f3pteros) es bien conocida tanto entre la comunidad cient\u00edfica como entre el p\u00fablico en general y que a menudo se les acusa de ser \u201cDr\u00e1culas chupadores de sangre\u201d y reservorios de virus. incluido el COVID-19, lo que representa una amenaza para la salud p\u00fablica.<\/p>\n<p>En el estudio reci\u00e9n publicado, Weinberg busc\u00f3 refutar esta \u201cteor\u00eda err\u00f3nea\u201d y demostrar que los murci\u00e9lagos juegan un papel importante en la exterminaci\u00f3n de insectos, la replantaci\u00f3n de \u00e1reas deforestadas y la polinizaci\u00f3n de cultivos.<\/p>\n<p>Los investigadores afirman que s\u00ed hay pruebas de que el origen del \u201cantiguo potencial\u201d de la COVID-19 estaba en los murci\u00e9lagos, \u201cpero por otro lado, hasta ahora, dos a\u00f1os despu\u00e9s de que estallara la pandemia, todav\u00eda no sabemos con certeza cu\u00e1l es el origen exacto de la variante COVID-19\u201d.<\/p>\n<p>\u201cEn general, los murci\u00e9lagos son err\u00f3neamente concebidos como reservorios de muchas enfermedades contagiosas, solo por ser serol\u00f3gicamente positivos; es decir, en posesi\u00f3n de anticuerpos, lo que significa que los murci\u00e9lagos han sobrevivido a la enfermedad y desarrollado una respuesta inmune\u201d, declar\u00f3 Weinberg.<\/p>\n<p>\u201cDespu\u00e9s de eso, superaron el virus por completo y se desvincularon de \u00e9l; por lo tanto, ya no son sus portadores. Sin embargo, en muchos casos, un virus similar a un pat\u00f3geno humano puede encontrarse en los murci\u00e9lagos; sin embargo, no es pat\u00f3geno para los humanos y no es suficiente para usar murci\u00e9lagos como reservorio\u201d.<\/p>\n<p>\u201cPara examinar la situaci\u00f3n general, realizamos un metan\u00e1lisis de la literatura y verificamos los hallazgos de m\u00e1s de 100 virus para los cuales los murci\u00e9lagos se consideran reservorios potenciales; como el \u00e9bola, el SARS y el COVID\u201d, continu\u00f3.<\/p>\n<p>\u201cEncontramos que en un n\u00famero considerable de casos (48%) esta afirmaci\u00f3n se bas\u00f3 en la incidencia de anticuerpos o pruebas de PCR, en lugar del aislamiento real de virus id\u00e9nticos. Adem\u00e1s, muchos de los hallazgos informados no son convincentes.<\/p>\n<p>\u201cEl mero aislamiento de un virus no es suficiente para ver a un animal como reservorio, ya que se requiere un n\u00famero m\u00ednimo de casos \u00edndice en los que se a\u00edsle el virus para ser considerado un animal reservorio, as\u00ed como la existencia de un camino establecido de transmisi\u00f3n.<\/p>\n<p>\u201cAdem\u00e1s, la detecci\u00f3n misma de un virus en particular en los murci\u00e9lagos no garantiza necesariamente una mayor infecci\u00f3n, y deben existir otras condiciones biol\u00f3gicas, ecol\u00f3gicas y antropog\u00e9nicas para que ocurra tal evento\u201d, dijo Weinberg.<\/p>\n<p>Seg\u00fan los investigadores, en los \u00faltimos a\u00f1os se ha ido acumulando evidencia de que los murci\u00e9lagos son capaces de hacer frente a diferentes virus, incluidos los letales, mejor que los humanos y la mayor\u00eda de los dem\u00e1s mam\u00edferos.<\/p>\n<p>Despu\u00e9s de m\u00e1s de un siglo de atenci\u00f3n a los virus que transmiten los murci\u00e9lagos, parece que el sistema inmunitario de los murci\u00e9lagos se caracteriza por una respuesta restringida durante los procesos inflamatorios.<\/p>\n<p>Tal como lo vemos, los murci\u00e9lagos han desarrollado un excelente equilibrio entre resistencia y tolerancia: una mayor respuesta de defensa del hu\u00e9sped y tolerancia inmunol\u00f3gica a trav\u00e9s de varios mecanismos diferentes.<\/p>\n<p>Las v\u00edas inflamatorias moderadas contribuyen a la tolerancia inmunol\u00f3gica en los murci\u00e9lagos y a una respuesta bien equilibrada que evita que se desarrolle el virus.<\/p>\n<p>\u201cEl estudio exhaustivo que hemos realizado plantea serias dudas sobre la posibilidad de que los murci\u00e9lagos sean el origen del brote de COVID-19.<\/p>\n<p>\u201cEl estudio exhaustivo que hemos realizado plantea serias dudas sobre la posibilidad de que los murci\u00e9lagos sean el origen del brote de COVID-19.<\/p>\n<p>\u201cLos hallazgos dan lugar a la perspectiva opuesta, seg\u00fan la cual debemos estudiar en profundidad las capacidades antivirales inmunol\u00f3gicas de los murci\u00e9lagos y as\u00ed obtener medios nuevos y efectivos para hacer frente a la lucha de la humanidad contra las enfermedades contagiosas, el envejecimiento y el c\u00e1ncer\u201d, concluyen los investigadores.<\/p>\n<non-auwi><ad-shortcode><div style=\"margin-top:20px;display:block\"><a href=\"https:\/\/donate.unitedwithisrael.org\/donate\/G1S\/?a=uwi_es_art_bnr_atk\"><img decoding=\"async\" class=\"no-border\" style=\"padding:0;\" src=\"https:\/\/unitedwithisrael.org\/wp-content\/uploads\/2015\/11\/ad_890x100_es.jpg\" alt=\"Donate to Israel\" \/><\/a><\/div><\/ad-shortcode><\/non-auwi>\n<shortcode  style=\"display:block\" ><div class=\"cta-boxed\"><h2>Do You Love Israel? 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Israel's enemies are inciting terror and violence against innocent Israelis and Jews around the world. <a href=\"https:\/\/donate.kinsta.unitedwithisrael.org\/donate\/g4?a=asc\" target=\"_blank\" rel=\"noopener\"><strong>Help us fight back!<\/strong><\/a>  <\/p> <p style=\"text-align: left;\"><strong><a href=\"https:\/\/donate.kinsta.unitedwithisrael.org\/donate\/g4?a=asc\" target=\"_blank\">STAND WTH ISRAEL - MAKE A DONATION TODAY!<\/a><\/strong><\/p><\/div><\/shortcode><non-auwi><ad-shortcode><div style=\"margin-top:20px;display:block\"><a href=\"https:\/\/donate.unitedwithisrael.org\/donate\/G1S\/?a=uwi_es_art_bnr_atk\"><img decoding=\"async\" class=\"no-border\" style=\"padding:0;\" src=\"https:\/\/unitedwithisrael.org\/wp-content\/uploads\/2015\/11\/ad_890x100_es.jpg\" alt=\"Donate to Israel\" \/><\/a><\/div><\/ad-shortcode><\/non-auwi>","protected":false},"excerpt":{"rendered":"<p>\u201cLos murci\u00e9lagos tienen un sistema inmunol\u00f3gico altamente efectivo que les permite lidiar con relativa facilidad con virus considerados letales para otros mam\u00edferos\u201d, declararon.<\/p>\n","protected":false},"author":47,"featured_media":378269,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":"","_links_to":"","_links_to_target":""},"categories":[37918],"tags":[44518],"class_list":["post-435740","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-coronavirus-en-israel","tag-origen-del-covid"],"better_featured_image":{"id":378269,"alt_text":"","caption":"(Shutterstock)","description":"","media_type":"image","media_details":{"width":2560,"height":1626,"file":"2021\/02\/shutterstock_1654083868-scaled.jpg","sizes":{"medium":{"file":"shutterstock_1654083868-300x191.jpg","width":300,"height":191,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2021\/02\/shutterstock_1654083868-300x191.jpg"},"large":{"file":"shutterstock_1654083868-1024x650.jpg","width":1024,"height":650,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2021\/02\/shutterstock_1654083868-1024x650.jpg"},"thumbnail":{"file":"shutterstock_1654083868-150x150.jpg","width":150,"height":150,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2021\/02\/shutterstock_1654083868-150x150.jpg"},"medium_large":{"file":"shutterstock_1654083868-768x488.jpg","width":768,"height":488,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2021\/02\/shutterstock_1654083868-768x488.jpg"},"1536x1536":{"file":"shutterstock_1654083868-1536x976.jpg","width":1536,"height":976,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2021\/02\/shutterstock_1654083868-1536x976.jpg"},"uwi-full-width":{"file":"shutterstock_1654083868-780x495.jpg","width":780,"height":495,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2021\/02\/shutterstock_1654083868-780x495.jpg"},"uwi-featured-carousel":{"file":"shutterstock_1654083868-890x400.jpg","width":890,"height":400,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2021\/02\/shutterstock_1654083868-890x400.jpg"},"uwi-featured-content":{"file":"shutterstock_1654083868-290x160.jpg","width":290,"height":160,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2021\/02\/shutterstock_1654083868-290x160.jpg"},"uwi-content-loop":{"file":"shutterstock_1654083868-190x190.jpg","width":190,"height":190,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2021\/02\/shutterstock_1654083868-190x190.jpg"},"uwi-category_list":{"file":"shutterstock_1654083868-180x100.jpg","width":180,"height":100,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2021\/02\/shutterstock_1654083868-180x100.jpg"},"uwi-tiny":{"file":"shutterstock_1654083868-40x40.jpg","width":40,"height":40,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2021\/02\/shutterstock_1654083868-40x40.jpg"},"uwi-email-featured":{"file":"shutterstock_1654083868-250x170.jpg","width":250,"height":170,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2021\/02\/shutterstock_1654083868-250x170.jpg"},"uwi-email":{"file":"shutterstock_1654083868-200x140.jpg","width":200,"height":140,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2021\/02\/shutterstock_1654083868-200x140.jpg"},"uwi-iphone":{"file":"shutterstock_1654083868-960x640.jpg","width":960,"height":640,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2021\/02\/shutterstock_1654083868-960x640.jpg"},"uwi-iphone-x2":{"file":"shutterstock_1654083868-1136x640.jpg","width":1136,"height":640,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2021\/02\/shutterstock_1654083868-1136x640.jpg"},"uwi-ipad":{"file":"shutterstock_1654083868-1024x768.jpg","width":1024,"height":768,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2021\/02\/shutterstock_1654083868-1024x768.jpg"},"uwi-ipad-x2":{"file":"shutterstock_1654083868-2048x1536.jpg","width":2048,"height":1536,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2021\/02\/shutterstock_1654083868-2048x1536.jpg"},"uwi-full-width-video":{"file":"shutterstock_1654083868-779x495.jpg","width":779,"height":495,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/upload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