Viruses

A grizzly bear in Glacier National Park in Montana

Three Grizzly Bears Tested Positive for Avian Flu in Montana

The current outbreak has led to the deaths of more than 52 million birds in the United States

A Covid-19 testing site in New York City on December 9. An estimated 27.6 percent of cases nationwide were caused by the XBB.1.5 variant this week, according to the CDC's most recent data.

What to Know About the 'Most Transmissible' Covid-19 Variant

XBB.1.5 is the fastest-spreading variant in the country, but it is not known to cause more severe illness than previous ones

When flushed, commercial toilets can spew airborne particles at speeds of up to 6.6 feet per second.

Here's What Really Happens When You Flush a Toilet

Using lasers and cameras, scientists visualized the plume of tiny, aerosolized particles ejected from commercial toilets during flushing

Only a quarter of American adults have received their flu shot this year. 

U.S. Flu Hospitalizations Highest in a Decade

The CDC estimates that 120,000 people have been hospitalized since October

This year’s picks include Fresh Banana Leaves, Origin and Starry Messenger.

The Best Books of 2022

The Ten Best Science Books of 2022

From a detective story on the origins of Covid-19 to a narrative that imagines a fateful day for dinosaurs, these works affected us the most this year

A rise in cases of severe respiratory illness could be due in part to children returning to school and other public places this year. 

Virus Linked With Rare Polio-Like Condition in Children on the Rise, CDC Warns

This year, there have been 13 confirmed cases of the condition, which weakens muscles and reflexes

Jynneos monkeypox vaccine

U.S. Declares Monkeypox a Public Health Emergency

The announcement comes as nationwide case counts reach 7,000

Monkeypox blood samples

WHO Declares Monkeypox a Global Health Emergency

Five deaths have been attributed to the disease in the Central African Republic and Nigeria in 2022

Poliovirus particles, computer illustration.

First Polio Case in U.S. Since 2013 Detected in New York State

Experts warn that the virus poses a health risk to unvaccinated communities

The vaccine, known as BPL-1357, was developed by experts at the National Institute of Allergy and Infectious Diseases (NIAID) and contains four strains of non-infectious, chemically inactivated avian influenza, thought to be not highly pathogenic.

Universal Flu Vaccine Enters Clinical Trials in Humans

The test will inoculate 100 volunteers with a vaccine that protected mice from lethal doses of six different flu strains

Thousands of Northern Gannets gather nest material as they prepare for the new breeding season on the Bass Rock.

Avian Flu Hits U.K.’s Seabird Colonies

Thousands of wild birds have died

As of June 15, the World Health Organization had recorded a total of 2,103 confirmed monkeypox cases in 42 countries. Pictured: a colorized transmission electron micrograph of monkeypox virus particles (green) cultivated and purified from cell culture

History of Now

What You Need to Know About the History of Monkeypox

Mired in misconception, the poxvirus is endemic in certain African countries but was rarely reported in Europe and the U.S. until recently

 Researchers speculate that type two inflammation that occurs in allergic conditions may reduce levels of the ACE2 receptor on the surface of airway cells, where SARS-CoV-2’s spike protein binds to. (Pictured: Novel Coronavirus SARS-CoV-2 under and electron microscope)

Some Allergies Associated With Lower Risk of SARS-CoV-2 Infection

An NIH study found that food allergies reduced risk of infection by 50 percent

David Bennett with his son and Dr. Muhammad Mohiuddin from the University of Maryland School of Medicine

Porcine Virus May Have Led to the Death of First-Ever Pig Heart Transplant Patient

Doctors say this infection will likely be preventable in future pig heart transplants

At least 36 bald eagles have died since February because of the H5N1 strain of the highly pathogenic avian influenza (HPAI). The virus is also causing the death of millions of commercial chickens and turkeys.

Bald Eagles Are Dying From Bird Flu

The highly contagious H5N1 strain is also infecting commercial chickens and turkeys

Mapping out where these RNA viruses are found globally can help scientists understand how they interact with organisms driving the planet's ecological processes.

Virologists Identify More Than 5,000 New Viruses in the Ocean

The new study focused on under-researched RNA viruses, which often infect animals and humans

Building a Corsi-Rosenthal box portable air filter comes down to duct-taping together a set of furnace filters and a box fan.

The Homemade Air Purifier That's Been Saving Lives During the Covid-19 Pandemic

Made from everyday items found in hardware stores, the Corsi-Rosenthal box is a testament to the power of grassroots innovation

Coronavirus has been found in white-tailed deer in the northeastern United States and central Canada.

First Possible Case of Covid-19 Spreading From Deer to Humans

Experts say the discovery is not reason for panic, but underscores the importance of monitoring wildlife for diseases that could infect humans

This seven-foot statue of Pearl Kendrick, center, and Grace Eldering, left, was unveiled in Grand Rapids in 2019. Lab assistant Loney Clinton stands to the right with a microscope.

Women Who Shaped History

The Unsung Heroes Who Ended a Deadly Plague

How a team of fearless American women overcame medical skepticism to stop whooping cough, a vicious infectious disease, and save countless lives

Though current variants don't appear to jump from deer to humans, monitoring how the virus spreads through deer populations could be critical for public health.

Discovery of Omicron in New York Deer Raises Concern Over Possible New Variants

White-tailed deer could become a reservoir for Covid-19, putting people and animals at risk

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