Plural en linea
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Deprecated: Using null as an array offset is deprecated, use an empty string instead in /var/www/wptbox/wp-includes/class-wp-block.php on line 257
Deprecated: Using null as an array offset is deprecated, use an empty string instead in /var/www/wptbox/wp-includes/class-wp-block-type-registry.php on line 168
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Deprecated: Using null as an array offset is deprecated, use an empty string instead in /var/www/wptbox/wp-includes/class-wp-block-type-registry.php on line 168
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Deprecated: Using null as an array offset is deprecated, use an empty string instead in /var/www/wptbox/wp-includes/class-wp-block-type-registry.php on line 168
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Deprecated: Using null as an array offset is deprecated, use an empty string instead in /var/www/wptbox/wp-includes/class-wp-block-type-registry.php on line 168
Deprecated: Using null as an array offset is deprecated, use an empty string instead in /var/www/wptbox/wp-includes/class-wp-block.php on line 257
Deprecated: Using null as an array offset is deprecated, use an empty string instead in /var/www/wptbox/wp-includes/class-wp-block-type-registry.php on line 168
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Deprecated: Using null as an array offset is deprecated, use an empty string instead in /var/www/wptbox/wp-includes/class-wp-block-type-registry.php on line 168
Deprecated: Using null as an array offset is deprecated, use an empty string instead in /var/www/wptbox/wp-includes/class-wp-block-type-registry.php on line 168
Deprecated: Using null as an array offset is deprecated, use an empty string instead in /var/www/wptbox/wp-includes/class-wp-block-type-registry.php on line 168
Deprecated: Using null as an array offset is deprecated, use an empty string instead in /var/www/wptbox/wp-includes/class-wp-block-type-registry.php on line 168
Deprecated: Using null as an array offset is deprecated, use an empty string instead in /var/www/wptbox/wp-includes/class-wp-block-type-registry.php on line 168
Deprecated: Using null as an array offset is deprecated, use an empty string instead in /var/www/wptbox/wp-includes/class-wp-block-type-registry.php on line 168
Deprecated: Using null as an array offset is deprecated, use an empty string instead in /var/www/wptbox/wp-includes/class-wp-block.php on line 257
Deprecated: Using null as an array offset is deprecated, use an empty string instead in /var/www/wptbox/wp-includes/class-wp-block-type-registry.php on line 168
Deprecated: Using null as an array offset is deprecated, use an empty string instead in /var/www/wptbox/wp-includes/class-wp-block-type-registry.php on line 168
Deprecated: Using null as an array offset is deprecated, use an empty string instead in /var/www/wptbox/wp-includes/class-wp-block-type-registry.php on line 168
Deprecated: Using null as an array offset is deprecated, use an empty string instead in /var/www/wptbox/wp-includes/class-wp-block-type-registry.php on line 168
Deprecated: Using null as an array offset is deprecated, use an empty string instead in /var/www/wptbox/wp-includes/class-wp-block-type-registry.php on line 168
Deprecated: Using null as an array offset is deprecated, use an empty string instead in /var/www/wptbox/wp-includes/class-wp-block-type-registry.php on line 168
Deprecated: Using null as an array offset is deprecated, use an empty string instead in /var/www/wptbox/wp-includes/class-wp-block-type-registry.php on line 168
Deprecated: Using null as an array offset is deprecated, use an empty string instead in /var/www/wptbox/wp-includes/class-wp-block-type-registry.php on line 168
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Deprecated: Using null as an array offset is deprecated, use an empty string instead in /var/www/wptbox/wp-includes/class-wp-block-type-registry.php on line 168
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Las vacunas de Pfizer-BioNTech y AstraZeneca-Oxford son efectivas contra la variante Delta, señala un estudio publicado en New England Journal of Medicine.
El estudio aclara que se debe contar con las dos dosis, pues una no es suficiente para dar protección. Estas dos vacunas tienen una alta protección contra la variante alfa.
Según el estudio, la efectividad de la vacuna de Pfizer es de 93.7 por ciento contra la variante alfa y de 88 por ciento contra la Delta. Mientras que la vacuna de AstraZeneca presenta una efectividad de 74.5 por ciento ante la variante Alfa y de 67 por ciento ante Delta.
“Este hallazgo respaldaría los esfuerzos para maximizar la absorción de la vacuna con dos dosis entre las poblaciones vulnerables”, señala el estudio.
Los científicos explican que la variante Delta se caracteriza por las mutaciones de la proteína de pico, además de que “las cepas con mutaciones pueden tener una mayor replicación, lo que conduce a mayores cargas virales y mayor transmisión”.
La variante Alfa fue identificada por primera vez en Reino Unido, y fue la predominante entre enero y mayo de 2021. La variante Delta se detectó por primera vez en India en diciembre de 2020 y se convirtió en la variante notificada con más frecuencia en el país a partir de mediados de abril de 2021, señala el estudio.
Al 19 de mayo de 2021, la variante se había detectado en 43 países de seis continentes. En el Reino Unido ha habido un rápido aumento de casos con esta variante asociado con los viajes desde la India y con la transmisión comunitaria.
(Animal Político)
