contact tracing app covid pandemic coronavirus mobile application people wearing face mask using smart phone |
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| navigate by keyword : 2019ncov aid alert app application bluetooth city concept contact coronavirus covid egov face girl hand health install mask medical mobile outbreak pandemic people person phone pneumonia response screen service sign smart spread street tracing tracking travel using virus wearing woman young |
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| Contact tracing app COVID-19 pandemic coronavirus mobile application. people wearing face mask using smart phone app in city street to aid contact tracing in response to the 2019-20 Coronavirus Pandemic. |
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