Cell Host & Microbe

Diseases, Conditions, Syndromes

How Zika infects the placenta

Zika virus can infect and replicate in immune cells from the placenta, without killing them, scientists have discovered. The finding may explain how the virus can pass through the placenta of a pregnant woman, on its way ...

Medical research

Why humans (and not mice) are susceptible to Zika

Flaviviruses—such as Zika, dengue, and yellow fever—have emerged as human (and other primate) pathogens because of their ability to specifically overcome our anti-viral defenses. In the case of Zika, researchers at the ...

Medical research

Antibiotics allow gut pathogens to 'breathe'

Antibiotics are essential for fighting bacterial infection, but, paradoxically, they can also make the body more prone to infection and diarrhea.

HIV & AIDS

Fireflies light the way to female HIV transmission

Finding the vulnerable points where HIV enters the female reproductive tract is like searching for needles in a haystack. But Northwestern Medicine scientists have solved that challenge by creating a glowing map of the very ...

Medical research

Exposure to routine viruses makes mice better test subjects

Vaccines and therapeutics developed using mice often don't work as expected in humans. New research at Washington University School of Medicine in St. Louis points to the near-sterile surroundings of laboratory mice as a ...

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