Diseases, Conditions, Syndromes

Contact tracing data sheds light on COVID-19 spread in New York City

A study led by researchers at Columbia University Mailman School of Public Health uses contract tracing data to produce a detailed map to date of SARS-CoV-2 spread in New York City. They found that the city's contact tracing ...

Diseases, Conditions, Syndromes

Sydney tightens lockdown amid 'stubborn' outbreak

Australian authorities ordered more businesses to close Saturday along with a slew of new restrictions in the country's largest city as a weeks-long lockdown failed to quash an outbreak of COVID-19.

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