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The drugs’ disruption of the microbiome makes a subsequent flavivirus infection more severe.

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image: Dengue Vaccine Program Halted Over Safety Issues

Dengue Vaccine Program Halted Over Safety Issues

By Shawna Williams | December 5, 2017

The drug may worsen future infections for people who haven't already been exposed to the virus.

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image: Dengue Infection Impairs Immune Defense Against Zika

Dengue Infection Impairs Immune Defense Against Zika

By Catherine Offord | August 18, 2017

A memory B cell response to Zika virus in dengue-infected patients produced antibodies that were poorly neutralizing in vitro and instead enhanced infection.

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image: Anti-Flavivirus Antibodies Enhance Zika Infection in Mice

Anti-Flavivirus Antibodies Enhance Zika Infection in Mice

By Anna Azvolinsky | March 30, 2017

Researchers report evidence of antibody-dependent enhancement in a Zika-infected, immunocompromised mouse model.

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image: Zika and Dengue Immunity: A Complex Relationship

Zika and Dengue Immunity: A Complex Relationship

By Amanda B. Keener | June 28, 2016

Researchers examine the blood of people infected with dengue virus, finding a few Zika-neutralizing antibodies among mostly enhancing ones.

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image: Dengue Antibodies Enhance Zika Infection?

Dengue Antibodies Enhance Zika Infection?

By Tanya Lewis | April 28, 2016

Previous flavivirus infection could help explain the severity of symptoms in some people infected during the ongoing Zika outbreak, researchers report.

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image: Speaking of Science

Speaking of Science

By The Scientist Staff | March 1, 2016

March 2016's selection of notable quotes

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image: New Virus Discovered in Human Blood

New Virus Discovered in Human Blood

By Jef Akst | September 23, 2015

Researchers identify a novel virus in blood samples taken in the 1970s.

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image: Dengue’s Downfall?

Dengue’s Downfall?

By Jef Akst | September 15, 2015

Researchers characterize a protein that could be key to the virus’s virulence—and to developing a vaccine against the mosquito-borne disease.

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image: Dengue-Targeting T Cells Home to Skin

Dengue-Targeting T Cells Home to Skin

By Jenny Rood | March 11, 2015

Immune cells specific for the virus are present in the skin of infected patients, a study shows.

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