Diseases, Conditions, Syndromes

Tunisia launches virus-tracking app

Tunisia on Tuesday launched a contact-tracing mobile phone app that identifies and alerts users who may have had contact with others infected with the new coronavirus.

Medical research

COVID-19: Fighting viruses with viruses

Since the outbreak of COVID-19, many of our scientists have been using the techniques and approaches developed over decades of cancer research to understand and defeat the virus.

Diseases, Conditions, Syndromes

'Unprecedented:' Seeking an army to trace virus in New York

New York's plan for taming the coronavirus hinges on taking a time-tested practice to an extraordinary level: hiring an "army" of people to try to trace everyone who might be infected.

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