Thereâs no app or smartphone yet that can run a swab test for COVID-19, or a blood test. The only thing technology can do right now is warn people if they have been in close proximity to an infected person.from Moneycontrol Technology News https://www.moneycontrol.com/news/technology/covid-19-|-why-apps-might-not-help-track-coronavirus-patients_13674721.html

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