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New COVID Sub-Variant BA 2.75 Detected in India, WHO Says_我的网站

A |      8 月 25 日消息，外媒 Android Authority 在挖掘谷歌 Google Play 商店应用 v52.8.55-34 版本时发现，谷歌正在为应用内置的 AI 搜索功能 Ask Play 开发图片搜索功能。    The World Health Organization (WHO) has revealed that the new BA.2.75 sub-lineage of the Omicron variant of COVID has been detected in India.,"In Europe and America, BA.4 and BA.5 are driving waves. In countries like India, a new sub-lineage of BA.2.75 has also been detected, which we're following," WHO Director-General Tedros Adhanom Ghebreyesus said at a press briefing on Wednesday.,He said that new COVID cases reported worldwide have spiked by nearly 30 percent.,Experts say the BA.2.75 variant includes new mutations in the spike protein, in addition to mutations that are already present in the Omicron variant.,This allows it to evade several antibodies and can infect people who have been vaccinated or infected previously. The detection of BA.2.75 has led scientists across the globe to dive deep into the research to learn more about the new variant and the possibility of another COVID wave.,In India, the BA.5 sub-variant has been detected in the states of Tamil Nadu, Karnataka, West Bengal, Maharashtra, Telangana, Delhi, Haryana, Gujarat, and the Ladakh union territory as well.,WHO Chief Scientist Soumya Swaminathan said in a video posted on Twitter that there has been an emergence of a sub-variant called the BA.2.75, "first reported from India and then from about 10 other countries.",Swaminathan said there are still limited sequences available of the sub-variant to analyze, "but this sub-variant seems to have a few mutations on the receptor-binding domain of the spike protein. So obviously, that's a key part of the virus that attaches itself to the human receptor.","So we have to watch that. It's still too early to know if this sub-variant has properties of additional immune evasion or indeed of being more clinically severe. We don't know that," she added.,Last week, Dr. Shay Fleishon, an Israeli scientist, claimed that a new coronavirus variant had hit 10 Indian states and sparked concerns of a fourth wave of the COVID-19 pandemic.,The current daily positive test rate is, however, is around 4.32 percent, down from around 16-17 percent in January 2022, the peak of the first Omicron wave.。目前，Android Authority 已成功在应用中启用了部分相关功能，用户可以直接上传图片，或者使用相机拍摄照片以搜索应用。例如，用户可能在网上看到一张非常漂亮的手机主屏幕截图，却不知道其中使用了什么小组件。过去只能尝试搜索类似“圆角矩形天气组件”这样的模糊关键词，而有了图片搜索后，只需要把截图上传给 Ask Play，让 AI 直接帮忙寻找对应应用即可。同样，这一功能可以用于识别陌生的应用界面或功能，甚至可以根据某款应用的界面风格寻找类似的替代应用。整体来看，它让 Play 商店搜索变得有些类似 Google Lens 和“圈选即搜”，但同时结合了 Ask Play 的对话式 AI 能力。除了图片搜索之外，谷歌还有望在新版应用详情页中嵌入 Ask Play 界面，用户向下浏览页面时，可以看到 AI 生成的用户感兴趣的问题（例如应用隐私要求等），点击后即可获得具体详情。

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