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After years of work, researchers identified a new species of leopard frog in New York City and surrounding counties, reports The New York Times' Lisa Foderaro. Rutgers University doctoral candidate Jeremy Feinberg first noticed the frog's distinctive vocalization on a trip through Staten Island in 2009, Foderaro says. "[He] heard something strange as he listened for the distinctive mating call of the southern leopard frog — usually a repetitive chuckle.

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Novavax has begun a phase III trial of its SARS-CoV-2 vaccine, according to the New York Times.

Vox reports that the Trump Administration may limit student visas for individuals from some countries to two years.

The governor of New York says the state will conduct its own review of any SARS-CoV-2 vaccine, NPR reports.

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