UC Davis推出新冠患者密切接触预警App!

“ UC Davis在新冠预防及追踪方面的创新能力值得借鉴！”

UC Davis新冠追踪能力创新

UC Davis加州大学戴维斯分校开发了一款可以向使用者发出自己最近接触的人群是否感染新冠病毒的App，目前已经向全加州迅速推广，这款软件的名字叫做California COVIDNotify app，这款软件可以做到digital tracking and automated notification of potential exposure to COVID-19（数字化追踪对于新冠病毒暴露的情况并做出报警。）

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这个App是如何工作的？

The technology, which works through smartphones, can tell users they may have been in close proximity to someone with COVID-19 — even complete strangers — and for a long enough period of time to pose the risk of exposure. The app relies on contact between phones without tracking locations, and users are never identified.（这项技术主要基于智能手机，只要您最近密切接触的人新冠病毒检测阳性，即使他是陌生人该程序仍然可以对此做出预警。这款App并不通过位置来追踪确定信息，所以个人隐私并不会暴露。）笔者通过研究发现该App主要通过蓝牙连接功能来留存相对信息，当某人被确诊后，与其有过6英尺以内距离的其它人士就会被通知到位。

该软件不泄露个人隐私的追踪方式很有意义

UC Davis 校长Gary S. May讲到， 'We are proud to participate in this pilot to help prevent the spread of COVID-19. Each of us must do all wecan, and this app is one more tool at your disposal. I encourage our community to learn more about it as it alerts you of possible exposure and gives you thechance to make even better-informed decisions.’（我们对本校可以加入这项研究型App来阻止新冠疫情传播而感到骄傲。所有人都应到尽力尝试，这款App是这个尝试过程中的另一个选择。我鼓励整个小区来学习并使用该工具性App，提示任何可能出现的暴露，帮助人们在疫情中做出合理的决定。）

软件下载信息

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蓝牙对应蓝牙

这款软件的技术主要基于Exposure Notification Express mobile technology from Google and Apple（曝光通知显示移动技术来自谷歌和苹果）。Android users who wish to participate must download the California COVID Notify app, whereas iOS users can activate it in their iPhone settings. [Noteto iPhone users: You must be using the latest software, version iOS 14.2.] Onceactivated, phones start broadcasting randomly generated and anonymous keys —which change every 10 to 20 minutes.（安卓及苹果用户都可以下载该app，只要激活软件，手机可以通过蓝牙来持续广播您的新冠信息，主要是随机生成一个匿名的钥匙，每隔10-20分钟变更一次。）

蓝牙技术与秘钥技术

When another phone using California COVID 19 is nearby, both phones will remember each other’s keys and the amount of time the phones are near each other — but not the users’ identities or locations, which are never collected.（当其他使用该软件的用户在附近时，手机就会记住双方的秘钥，但是不会记住对方的身份识别信息及位置。）

已经进入所有加州大学6个校区

If a California COVID Notify user tests positive for the virus, they can voluntarily decide to input that information into the app, using a code provided by their participating health care provider. The system would then match up that user’sphone with close contacts it has had with other people’s phones over the last 14 days — and notify those users of their potential exposure.（如果有用户新冠检测呈阳性，他们可以将信息输入手机，系统就会自动匹配与其智能手机接触过的其它手机，主要是针对过去14天的人士，通知他们可能已经暴露于新冠病毒的风险性。）

师生开始下载

这是一款很有想法及创新力的App，希望我们也可以借鉴其思路来实现100%新冠患者追踪。

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