Switzerland launched the world's first app based on Google and Apple's contact-tracing tech

REUTERS/Denis Balibouse

• Switzerland is the first country to launch a contact-tracing app using the specialized contact-tracing tech released by Google and Apple.
• The app is only in its pilot phase at the moment, and Swiss authorities plan to roll it out more widely in June.
• Google and Apple released their "exposure notification" API earlier this month, and said 22 health authorities around the world have asked permission to use it.
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