Prime Minister Narendra Modi on Monday lit the customary first diya at the Raj Ghat in Varanasi and launched the Dev Deepawali Mahotsav.
The prime minister was accompanied by state Chief Minister Yogi..
Karen DeSalvo, the chief health officer at Google, explains the partnership between big tech and public health in slowing the spread of COVID-19 -- and discusses a new contact tracing technology..
Contact tracing -- the process of identifying people who may have been exposed to the coronavirus in order to slow its spread -- is a fundamental tool in the fight against COVID-19. How can we scale..
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