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phylogenetic analysis

By combining genome sequence data with phylogenetics and other clues, two teams looked at the SARS-CoV-2 introductions that sparked outbreaks in North America and Europe.

In PNAS this week: genetic diversity of SARS-CoV-2 indicates neutral evolution, portable RT-LAMP method to detect SARS-CoV-2, and more.

In PNAS this week: Zika virus mutation linked to increased transmission, variants associated with inherited hearing loss, and more.

With genome sequence alignments and phylogenetic analyses focused on non-recombining regions, researchers traced the SARS-CoV-2 lineage in bats back at least 40 years.

By screening swine samples at thousands of European farms, researchers saw reassorted versions of the 2009 H1N1 swine flu virus that may be able to dodge human immunity.

A genomic analysis indicates chickens were domesticated from red jungle fowl more than 9,000 years ago, Science reports.

In PLOS this week: computational approach to gauge penetrance of risk variants, evolution of seasonal influenza A strains, and more.

The timing of the divergence of the Measles morbillivirus and Rinderpest morbillivirus lineages traces to about when human populations began to live in cities.

Most of the scroll fragments analyzed originated from sheep, but two pieces came from cow, suggesting they were imported to the area where they were found.

Maybe Not the Source

The first reported coronavirus cases in Europe and the US might not be related to the subsequent outbreaks in those areas, according to the New York Times.

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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.

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