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viruses

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How Many Microbes Does It Take to Make You Sick?

By Tara C. Smith
September 27, 2023
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Exposure to a virus isn’t an all-or-nothing proposition. The concept of “infectious dose” suggests ways to keep ourselves safer from harm.

The Joy of Why

What Has the Pandemic Taught Us About Vaccines?

By Steven Strogatz
April 5, 2023
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Should Covid-19 vaccines be judged by how well they prevent disease or how well they prevent death? Anna Durbin, a public health expert and vaccine researcher, talks with Steven Strogatz about the science behind vaccines.

microbiome

Global Microbiome Study Gives New View of Shared Health Risks

By Yasemin Saplakoglu
March 14, 2023
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The most comprehensive survey of how we share our microbiomes suggests a new way of thinking about the risks of developing some diseases that aren’t usually considered contagious.

bird's eye view of an illustrated red ant against a leafy background with golden fungal spores coming up out of its brain
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Can Our Brains Be Taken Over?

By Tara C. Smith
February 23, 2023
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Several real-life pathogens can change a host’s behavior against their will. Here’s what we know about these zombie-like infections.

An illustration of a plate of spaghetti with big virus particles instead of meatballs.
microbiology

With Nothing to Eat Except Viruses, Some Microbes Thrive

By Yasemin Saplakoglu
February 21, 2023
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“Virovores” — organisms that survive and multiply by eating viruses — might influence the flow of energy through ecosystems.

Drawing of a man connected by viruses to mice, horses, camels and more animals
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What We Know About Monkeypox

By Tara C. Smith
September 29, 2022
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Even though we’ve learned a lot about this relative of smallpox, some mysteries remain due to a lack of political will.

immunology

Bacteria’s Immune Sensors Reveal a Novel Way to Detect Viruses

By Annie Melchor
August 29, 2022
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A new study reveals that bacteria can fight viruses in a surprisingly elegant way that has no known counterpart in more complex life.

Closeup of Akiko Iwasaki of the Yale School of Medicine against a dark background.
Q&A

An Immunologist Fights Covid with Tweets and a Nasal Spray

By Yasemin Saplakoglu
June 21, 2022
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Akiko Iwasaki, an immunologist who became a lifeline for the worried and the curious during the pandemic, thinks that nasal spray vaccines could be the next needed breakthrough in our fight against the coronavirus.

Illustration of a red human figured amid blue silhouettes of animals, in front of a red background.
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What Happens When We Give Animals Our Diseases?

By Tara C. Smith
April 27, 2022
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While it’s understandable to focus on the diseases affecting humans, it’s important to study how our illnesses may affect animals.


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