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Factor IX

This article has been updated from a version posted Nov. 13 to correct the name of the National Hemophilia Foundation.

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

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

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

This week in Science: Neanderthal Y chromosomes replaced by Homo sapiens Y chromosomes, and more.