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Articles on Viruses

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Monkeypox is caused by the monkeypox virus, which are the ovals and circles seen in this electron microscope image of the skin of a person infected with monkeypox. Cynthia S. Goldsmith, Russell Regnery/CDC

Is monkeypox a pandemic? An epidemiologist explains why it isn’t likely to become as widespread as COVID-19, but is worth watching

The monkeypox virus, which is commonly found in West and Central Africa, is now causing many infections in the U.S., Europe and Latin America.
Sepsis begins with infection by bacteria or a virus. This panoramic ilustration inside a blood vessel shows rod-shaped bacteria, red blood cells and immune cells called leukocytes. Kateryna Kon/Science Photo Library via Getty Images

Sepsis still kills 1 in 5 people worldwide – two ICU physicians offer a new approach to stopping it

Sepsis onset can be difficult to recognize, in part because its symptoms can mimic those of many other conditions. A treatment delay of even a few hours can make the difference between life and death.
Electron micrograph of monkeypox virus particles isolated in 2003 in the United States from human samples (left, mature, oval viruses; right, immature, round viruses). Cynthia S. Goldsmith, Russell Regner / CDC / AP

Monkeypox: ‘This is an entirely new spread of the disease’

This is not the first time that the monkeypox virus has spread beyond Africa, its continent of origin. But the current epidemic is unprecedented for a number of reasons.
There are even more types of viruses in the ocean than researchers once thought. newannyart/iStock via Getty Images Plus

Researchers identified over 5,500 new viruses in the ocean, including a missing link in viral evolution

Viruses do more than just cause disease – they also influence ecosystems and the processes that shape the planet. Tracing their evolution could help researchers better understand how viruses work.

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