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viruses

Photograph of a bat in flight.
Abstractions blog

Can Vaccines for Wildlife Prevent Human Pandemics?

August 24, 2020

Studies suggest that self-disseminating vaccines could prevent the “spillover” of animal viruses into humans as pandemic diseases.

Illustration of a woman brandishing a shield to keep viruses at bay. One virus has slipped through a small hole in it.
infectious disease

Our Genes May Explain Severity of COVID-19 and Other Infections

July 27, 2020

Researchers are examining the power of subtle genetic weaknesses in the immune system to affect the severity of infectious diseases, including COVID-19.

Animated illustration showing vulnerable red shapes become “infected” and turn green, amid immune blue shapes.
Abstractions blog

The Tricky Math of Herd Immunity for COVID-19

June 30, 2020

Herd immunity differs from place to place, and many factors influence how it’s calculated.

People in India stand near a red van that serves as a mobile testing center for COVID-19 .
infectious disease

Why South Asia’s COVID-19 Numbers Are So Low (For Now)

June 23, 2020

Many theories have been offered for why the official COVID-19 toll on the Indian subcontinent has been surprisingly low. The best explanation may be the shortage of good, timely data.

Computer model of SARS-CoV-2 spike protein.
Abstractions blog

Sugary Camouflage on Coronavirus Offers Vaccine Clues

May 5, 2020

In the fight against viruses and other pathogens, scientists are looking beyond genes and proteins to the complex sugars, or glycans, on cell surfaces.

Quantized Columns

What Other Coronaviruses Tell Us About SARS-CoV-2

April 29, 2020

As COVID-19 cases continue to increase, our extensive knowledge of other coronaviruses informs our understanding.

Illustration of a connection between a bat and a human, with a backdrop of coronaviruses.
Quantized Columns

The Animal Origins of Coronavirus and Flu

February 25, 2020

Zoonotic diseases like influenza and many coronaviruses start out in animals, but their biological machinery often enables them to jump to humans.

Illustration of an RNA sequence, with an arrow pointing from one end to the other, and a sequence of complementary nucleotides, with an arrow pointing the other way.
Abstractions blog

New Clues About ‘Ambigram’ Viruses With Strange Reversible Genes

February 12, 2020

For decades, scientists have been intrigued by tiny viruses whose genetic material can be read both forward and backward. New research begins to explain this puzzling property.

Abstractions blog

Biodiversity Alters Strategies of Bacterial Evolution

January 6, 2020

In evolution, context is everything: Bacteria with neighbors evolve to rebuff viruses in a different way.