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image: Ancient Humans Had Hepatitis B

Ancient Humans Had Hepatitis B

By Abby Olena | May 9, 2018

Analyses of more than 300 ancient human genomes show that Hepatitis B virus has infected humans for at least 4,500 years and has much older origins than modern viral genomes would suggest.

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image: Pathway to Polio Virulence Revealed

Pathway to Polio Virulence Revealed

By Ashley P. Taylor | March 23, 2017

Using epidemiological and laboratory data, scientists have mapped out a sequence of mutations through which the attenuated oral polio vaccine reverts to a virulent virus.

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image: Evolution of H7N9

Evolution of H7N9

By Erin Weeks | September 20, 2013

Genetic diversity helped avian influenza A viruses make the leap from birds to humans, researchers report.

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image: Catching the Cold

Catching the Cold

By Fred Adler | February 1, 2013

Tracking the genetic diversity and evolution of rhinoviruses can lead to a better understanding of viral evolution, the common cold, and more dangerous infections.

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image: Special Review for H5N1 Grants?

Special Review for H5N1 Grants?

By Jef Akst | December 4, 2012

The National Institutes of Health reveals a controversial plan to regulate the funding of H5N1 research.

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image: The Plastic Genome

The Plastic Genome

By Beth Marie Mole | December 1, 2012

The poxvirus stockpiles genes when it needs to adapt.

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image: RNA-DNA Virus Hybrid Found

RNA-DNA Virus Hybrid Found

By Sabrina Richards | April 20, 2012

Researchers discovered a virus produced from recombination between RNA and DNA viruses, suggesting a possible new mechanism of virus evolution.

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