苹果和谷歌正在合作利用蓝牙技术帮助当局追踪冠状病毒感染情况。这两家硅谷巨头公司称，它们将在一个平台上合作，启用接触追踪，利用这种方法确认谁接触过感染者，他们又接触过谁。
Apple and Google are partnering to help authorities track exposure to the coronavirus using Bluetooth technology.
The two
Silicon1 Valley giants will work on a platform to enable contact tracing, a measure that identifies people who have been exposed to the virus and who they have been in contact with, the companies announced.
The companies will first release
interfaces2 built on existing public health apps in May that can work on iOS or Android systems, followed by a more comprehensive platform in the coming months to which users will be able to
opt3 in.
A smartphone user that tests positive for the coronavirus can
input4 their result into an app from a public health authority, which will feed into an
anonymous5 "identifier beacon," according to an explanation from Google. That identifier will then be
anonymously6 exchanged with anyone the user comes into contact with who also has the service enabled.
Users then upload their identifier records to the cloud, following which they will receive a notification if they have been exposed to anyone who has tested positive for the virus.
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