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

Deprecated: Return type of Recursive_ArrayAccess::offsetGet($offset) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, 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 89

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

Deprecated: Return type of Recursive_ArrayAccess::current() should either be compatible with Iterator::current(): mixed, 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 143

Deprecated: Return type of Recursive_ArrayAccess::next() should either be compatible with Iterator::next(): 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 165

Deprecated: Return type of Recursive_ArrayAccess::key() should either be compatible with Iterator::key(): mixed, 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 154

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

Deprecated: Creation of dynamic property ReduxFramework::$core_instance is deprecated in /home1/express/public_html/wp-content/plugins/woo-iqonic-api/redux-framework/redux-core/inc/classes/class-redux-args.php on line 202

Deprecated: Creation of dynamic property ReduxFramework::$core_thread is deprecated in /home1/express/public_html/wp-content/plugins/woo-iqonic-api/redux-framework/redux-core/inc/classes/class-redux-args.php on line 203

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

Deprecated: Creation of dynamic property NewfoldLabs\WP\Module\ComingSoon::$args 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 40

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

Deprecated: Creation of dynamic property Redux_Slides::$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_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_Slides::$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_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

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

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

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_Textarea::$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_Textarea::$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

Deprecated: Creation of dynamic property Redux_Password::$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_Password::$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_Import_Export::$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_Import_Export::$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_Import_Export::$is_field is deprecated in /home1/express/public_html/wp-content/plugins/woo-iqonic-api/redux-framework/redux-core/inc/extensions/import_export/import_export/class-redux-import-export.php on line 35
لماذا ينتشر فيروس كورونا بشكل أسرع من الإنفلونزا؟ - Algerian Express

لماذا ينتشر فيروس كورونا بشكل أسرع من الإنفلونزا؟


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

الجيريان اكسبرس: ظهر فيروس كورونا المستجد، في أواخر العام الماضي، لكنه استطاع أن يصيب أكثر من 19 مليون شخص، في غضون أشهر وسط تساؤل حول سبب انتشاره السريع مقارنة بالإنفلونزا العادية التي يصاب بها الناس بين الفينة والأخرى.

وبحسب صحيفة “نيويورك تايمز” الأميركية، فإن العدوى التي ظهرت في الصين، أواخر العام الماضي، تنتقل بسرعة فائقة جدا، كما أنها غالبا ما تعلق على الأسطح، وتبقى ساعات طويلة في الأماكن المغلقة التي لا تخضع لتهوية كافية.

وتبعا لذلك، فإن شخصا واحدا مصابا بكورونا قد ينقل العدوى إلى عشرات الاشخاص، أو ربما المئات، لاسيما في التجمعات البشرية الكبيرة.

ونقلت الصحيفة الأميركية عن الباحث في علوم ونماذج الحساب ودراسة الأمراض المعدية في مركز فريد هاتشينسون لبحوث السرطان، جوشوا شيفر، أنه يرى أن نسبة الأشخاص الذين ينقلون العدوى إلى عدد كبير ما زالت محدودة.

وأوضح الأكاديمي الأميركي، أن ما يتراوح بين 10 و20 في المئة من المصابين هم المسؤولون عن 80 في المئة من حالات العدوى الجديدة.

ويرى جوشوا أن فهم الأسباب التي تسرّع انتشار فيروس كورونا، من شأنه أن يعين على تطويق المرض الذي أودى بحياة أكثر من 721 ألف شخص في العالم.

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