One of the main measures to contain the spread of the coronavirus is tracking, it allowsAuthorities
Researchers at MIT have developed a new method to automatically track people who have been in the vicinity of an infected person in the past two weeks. The system usesshort-range Bluetooth signals that are transmitted by smartphones.are random strings of numbers that other nearby smartphones store in the device's memory.

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If the patient finds out that he is infected, thenhe must download the full list of digits that his phone has transmitted over the past two weeks. Other users can check whether the numbers indicated in the infected database are in the memory of their phones. If they match, then the user must pass the coronavirus test and self-isolate, as it was within 12 m from the source of the virus.
The system solves the problem of privacy — it does not use geolocation, and also does not linkdiagnosis or other information with a specific person. It will work through the app that users installon her phone, her design was inspired by Apple's "Find My Phone" system.
MIT team says critical next stepin order for this system to start working, this is help from Apple, Google and Microsoft. They added that for the system to work effectively, cooperation with mobile device operators is necessary.
Now in 184 countries of the world there are more1.48 million cases of infection with this infection. Eight countries account for 80% of all cases — the United States, Spain, Italy, Germany, France, China, Iran, and the United Kingdom. At the same time, in China, where the virus came from, there is a significant reduction in the epidemic. Since the end of 2019, 89 thousand people have died from coronavirus infection, more than 332 thousand people have been cured. In Russia, there are a total of 10 131 patients with coronavirus infection, 76 patients died, 698 were cured.
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