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Vaccines still effective against Omicron, WHO chief scientist tells us why

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3 years ago

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Vaccines still effective against Omicron, WHO chief scientist tells us why

As the highly contagious Omicron has pushed new records globally, WHO Chief Scientist Dr. Soumya Swaminathan said that the vaccine still seems to be proven effective. Although the effectiveness of vaccines varies slightly between vaccines, most WHO emergency use list vaccines actually have very high protection rates against serious illness and death, at least before the delta variant.

Dr. Swaminathan emphasized that the Omicron variant is infecting vaccinated and unvaccinated people worldwide, and said that the vaccine still seems to be proven effective because despite the exponential growth in many countries, the severity of the disease has not soared to new levels. s level. Dr. Swaminathan wrote on Twitter: “As expected, T cell immunity is more resistant to #Omicron. This will protect us from serious diseases. If you have not been vaccinated, please get the vaccine.” Vaccine Or a previous infection with COVID-19 will trigger a human T cell response.

In explaining the factors of vaccine effectiveness against COVID-19, Swaminathan almost said at a WHO press conference on Wednesday that the effectiveness of vaccines varies slightly between vaccines, although most WHO emergency use list vaccines actually The above has a very high protection rate against serious illness and death at least before the delta variant.

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She also said that biological factors also determine the effectiveness of the vaccine. “It includes age, underlying diseases, and we know and use all the variants to prove this, that is, the older you are, the more potential diseases and comorbidities, the more susceptible you are to contracting this disease,” she said.

When talking about the third factor that determines the effectiveness of vaccines, Swaminathan said: “It’s time for vaccination and weakening of immunity. We know that this has a certain meaning, but re-infection is harmful to infectivity and immunity. The impact of the virus has diminished. This is why we are seeing many breakthrough infections, especially Omicron, because Omicron does have the ability to overcome pre-existing immunity and requires higher levels of antibodies and protection.”

In addition, she said that now the evidence for Omicron has just emerged, and it is too early to draw conclusions, but all laboratory studies point to the reduction of neutralization ability, and clinically seen people who have been vaccinated have been infected. People in Omicron will still suffer breakthrough infections.

“This is why the numbers we see all over the world today are very high, because these infections occur in vaccinated and unvaccinated people. However, it turns out that vaccines still have a protective effect, because even though the numbers are increasing exponentially in many countries , The severity of this disease has not risen to a new level,” she added.

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YouTube marks 20th anniversary by launching new useful features What’s new

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3 days ago

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April 24, 2025

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YouTube marks 20th anniversary by launching new useful features What’s new

YouTube has celebrated its 20th anniversary with several new features, including functional upgrades and new features for YouTube TV. The platform has introduced personalised radio stations via Ask Music, which is available to YouTube Premium and YouTube Music users on both iOS and Android devices. Additionally, YouTube is rolling out the ability to fast-forward.

YouTube TV members will gain the ability to build their own multiview experiences, starting with a selection of non-sports content from a small group of popular channels. The platform is introducing improved navigation, better playback quality, and easier access to features such as comments, channel information, and more through videos at 4x speed, providing more.

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  1. Delete Unnecessary Emails: Regularly clearing unwanted emails helps maintain storage. Open Gmail in your browser or mobile device, go to your Inbox, Social, or Spam folder, filter messages, select emails to delete or check the box to select all emails in the folder, and click the “Delete” button. The emails will be moved to the Trash folder Empty Your Spam and Trash Folders: If deleted emails remain in your Trash.
  2. Unsubscribe from Unwanted Emails: Open a promotional email and click “Unsubscribe” at the bottom of the email to reduce future accumulation April 2025 — YouTube, the world’s largest video-sharing platform, is celebrating its 20th anniversary with the launch of several innovative features aimed at enhancing user experience, empowering creators, and embracing the future of digital content.

  3. 1. AI-Powered Video Summaries
    One of the most anticipated features is AI-generated video summaries, which will now appear below eligible videos. This allows viewers to preview content quickly and decide whether to watch the full video. The summaries are automatically created using advanced natural language processing and are designed to boost discoverability and engagement.

  4. 2. “Jump Ahead” Smart Chapters
    YouTube is introducing smart chapters with “Jump Ahead” capabilities, allowing viewers to skip to the most engaging parts of videos based on audience retention data. The feature leverages machine learning to identify sections that retain viewers the most and gives users a prompt to “Jump Ahead” with a single tap.

  5. 3. Creator Insights Dashboard Upgrade
    For content creators, YouTube has upgraded its Creator Studio Dashboard with enhanced real-time analytics, audience mood tracking, and AI-suggested titles and tags. The platform’s algorithms now offer dynamic suggestions for improving performance, personalized for each creator’s channel and content style.

  6. 4. YouTube Create App Expansion
    Following positive feedback from beta users, YouTube is officially rolling out the YouTube Create app in over 30 new countries. This free mobile video editing tool includes features like auto-captions, royalty-free music, filters, and multi-clip editing — giving creators more control without the need for expensive software.

  7. 5. Enhanced Live Shopping Tools
    With e-commerce booming, YouTube is expanding its Live Shopping tools, allowing creators to tag mini-social network within the platform. These tools are products, integrate affiliate links, and host shoppable livestreams with real-time viewer interaction. The new update supports multi-vendor support, making collaborations with brands smoother and more profitable.

  8. 6. Smart TV Upgrades
    YouTube is giving its TV interface a refresh, introducing a sleeker design with quicker access to playlists, subscriptions, and smart recommendations. A new “Ambient Mode interactive content suggestions and previews when the app is idle, turning the TV into a dynamic home hub for entertainment.

  9. 7. Community Tab Enhancements
    To improve engagement, YouTube is enhancing its Community Tab with interactive stickers, polls, countdowns, and quizzes — turning it into a mini-social network within the platform. These tools are aimed at helping creators keep their audience involved even between video uploads.
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  1. Construction, Infrastructure and Mining   
  2. General News Platforms – IHTLive.com
  3. Entertainment News Platforms – https://anyflix.in/

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