Notice: Function _load_textdomain_just_in_time was called incorrectly. Translation loading for the chaty domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the init action or later. Please see Debugging in WordPress for more information. (This message was added in version 6.7.0.) in /home1/express/public_html/wp-includes/functions.php on line 6131

Notice: Function _load_textdomain_just_in_time was called incorrectly. Translation loading for the redux-framework domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the init action or later. Please see Debugging in WordPress for more information. (This message was added in version 6.7.0.) in /home1/express/public_html/wp-includes/functions.php on line 6131

Notice: Function _load_textdomain_just_in_time was called incorrectly. Translation loading for the redux-framework domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the init action or later. Please see Debugging in WordPress for more information. (This message was added in version 6.7.0.) in /home1/express/public_html/wp-includes/functions.php on line 6131

Notice: Function _load_textdomain_just_in_time was called incorrectly. Translation loading for the wp-plugin-hostgator domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the init action or later. Please see Debugging in WordPress for more information. (This message was added in version 6.7.0.) in /home1/express/public_html/wp-includes/functions.php on line 6131

Notice: Function _load_textdomain_just_in_time was called incorrectly. Translation loading for the wp-plugin-hostgator domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the init action or later. Please see Debugging in WordPress for more information. (This message was added in version 6.7.0.) in /home1/express/public_html/wp-includes/functions.php on line 6131

Deprecated: Return type of Recursive_ArrayAccess::offsetExists($offset) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home1/express/public_html/wp-content/plugins/youtube-showcase/assets/ext/emd-session/includes/class-recursive-arrayaccess.php on line 76

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Deprecated: Return type of Recursive_ArrayAccess::offsetSet($offset, $data) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home1/express/public_html/wp-content/plugins/youtube-showcase/assets/ext/emd-session/includes/class-recursive-arrayaccess.php on line 103

Deprecated: Return type of Recursive_ArrayAccess::offsetUnset($offset) should either be compatible with ArrayAccess::offsetUnset(mixed $offset): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home1/express/public_html/wp-content/plugins/youtube-showcase/assets/ext/emd-session/includes/class-recursive-arrayaccess.php on line 125

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Deprecated: Return type of Recursive_ArrayAccess::valid() should either be compatible with Iterator::valid(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home1/express/public_html/wp-content/plugins/youtube-showcase/assets/ext/emd-session/includes/class-recursive-arrayaccess.php on line 187

Deprecated: Return type of Recursive_ArrayAccess::rewind() should either be compatible with Iterator::rewind(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home1/express/public_html/wp-content/plugins/youtube-showcase/assets/ext/emd-session/includes/class-recursive-arrayaccess.php on line 176

Deprecated: Return type of Recursive_ArrayAccess::count() should either be compatible with Countable::count(): int, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home1/express/public_html/wp-content/plugins/youtube-showcase/assets/ext/emd-session/includes/class-recursive-arrayaccess.php on line 202

Warning: Cannot modify header information - headers already sent by (output started at /home1/express/public_html/wp-includes/functions.php:6131) in /home1/express/public_html/wp-content/plugins/youtube-showcase/assets/ext/emd-session/includes/class-emd-wp-session.php on line 134

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Deprecated: Creation of dynamic property NewfoldLabs\WP\Module\ComingSoon::$container is deprecated in /home1/express/public_html/wp-content/plugins/wp-plugin-hostgator/vendor/newfold-labs/wp-module-coming-soon/includes/coming-soon.php on line 17

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Deprecated: Creation of dynamic property Redux_Select::$field is deprecated in /home1/express/public_html/wp-content/plugins/woo-iqonic-api/redux-framework/redux-core/inc/classes/class-redux-field.php on line 160

Deprecated: Creation of dynamic property Redux_Select::$select2_config is deprecated in /home1/express/public_html/wp-content/plugins/woo-iqonic-api/redux-framework/redux-core/inc/classes/class-redux-field.php on line 163

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Deprecated: Creation of dynamic property Redux_Slides::$select2_config is deprecated in /home1/express/public_html/wp-content/plugins/woo-iqonic-api/redux-framework/redux-core/inc/classes/class-redux-field.php on line 163

Deprecated: Creation of dynamic property Redux_Text::$field is deprecated in /home1/express/public_html/wp-content/plugins/woo-iqonic-api/redux-framework/redux-core/inc/classes/class-redux-field.php on line 160

Deprecated: Creation of dynamic property Redux_Text::$select2_config is deprecated in /home1/express/public_html/wp-content/plugins/woo-iqonic-api/redux-framework/redux-core/inc/classes/class-redux-field.php on line 163

Deprecated: Creation of dynamic property Redux_Text::$field is deprecated in /home1/express/public_html/wp-content/plugins/woo-iqonic-api/redux-framework/redux-core/inc/classes/class-redux-field.php on line 160

Deprecated: Creation of dynamic property Redux_Text::$select2_config is deprecated in /home1/express/public_html/wp-content/plugins/woo-iqonic-api/redux-framework/redux-core/inc/classes/class-redux-field.php on line 163

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Deprecated: Creation of dynamic property Redux_Text::$select2_config is deprecated in /home1/express/public_html/wp-content/plugins/woo-iqonic-api/redux-framework/redux-core/inc/classes/class-redux-field.php on line 163

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الخفافيش مجددا..العلماء يكتشفون فيروسا آخرا "مطابقا لكورونا" - Algerian Express

الخفافيش مجددا..العلماء يكتشفون فيروسا آخرا “مطابقا لكورونا”


Deprecated: preg_split(): Passing null to parameter #3 ($limit) of type int is deprecated in /home1/express/public_html/wp-content/themes/jannah/framework/functions/post-functions.php on line 761

اكتشف علماء في الصين فيروسا في الخفافيش يطابق بنسبة 94.5 في المئة “كوفيد-19″، مما يؤكد أهمية تتبع الفيروسات حيوانية المنشأ، القادرة على الانتقال للبشر.

وتوقع العلماء أن يواجه العالم جائحة طارئة كل خمس سنوات، تكون حيوانية المنشأ، وتنتقل إلى البشر، وهو ما أشارت إليه منظمة الصحة العالمية بـ”المرض إكس”.

وتوصل علماء جامعة شاندونغ فيرست الطبية وأكاديمية شاندونغ للعلوم الطبية في الصين، إلى اكتشاف فيروس أطلقوا عليه اسم “آر بي واي إن زيرو 6″، تستضيفه الخفافيش، له تقريبا نفس التركيبة الجينية لفيروس “سارس- كوف- 2” المسبب لكوفيد-19.

وبحسب العلماء، فإن الفيروس المشابه جينيا لسارس- كوف-2، لا يحتوي بروتين “سبايك”، وهو الذي يكون موجودا على السطح الخارجي للفيروس للارتباط بالخلايا البشرية.
وحسبما ذكرت صحيفة “صن” البريطانية، فقد درس العلماء الصينيون جينات 411 عينة، جمعت من 23 نوعا من الخفافيش، في مقاطعة يونان في الصين، خلال عامي 2019 و2020، واكتشفوا 4 فيروسات مرتبطة بسارس- كوف-2، بما في ذلك “آر بي واي إن زيرو 6”.

وبحسب ويفينغ شي، رئيس فريق العلماء الذي أجرى الدراسة، فإن الفيروسات المرتبطة بسارس- كوف- 2، منتشرة في بعض أنواع الحياة البرية بجنوب شرق آسيا وجنوب الصين.

وأضاف شي: “ما توصلنا إليه يكشف حجم التنوع في فيروسات الخفافيش. علينا الاستمرار بالمتابعة كيلا يحدث تفش جديد لوباء ينتقل من الحيوانات للبشر”.

وكانت دراسة سابقة كشفت عن فيروس مرتبط بكوفيد-19 في الخفافيش بشرق تايلاند، أطلق عليه اسم “آر أي سي سي إس 203”.

ويشارك “آر أي سي سي إس 203 بنحو 91.5 في المئة من شيفرته الوراثية مع سارس- كوف- 2، لكن الباحثين في جامعة شولالونغكورن ببانكوك قالوا إنهم لا يعتقدون أن هذه الفيروسات قادرة على إصابة البشر، كونها غير قادرة على الارتباط بالخلايا في الجسم بسبب اختلافاتها في بروتين “سبايك”.

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