Disease

Green lasers pointed at a plastic mannequin head wearing a face shield show how the droplets from a cough or sneeze escape around the sides.

Face Shields and Valved Masks Don't Fully Stop the Spread of Aerosols

A new visualization shows how droplets from a cough or sneeze escape around the sides of a plastic face shield

University of Arizona leaders were able to prevent a potential Covid-19 outbreak by testing wastewater.

University of Arizona Stops a Covid-19 Outbreak by Following the Feces

After wastewater monitoring detected the virus in a dorm’s sewage, the school discovered and quarantined two asymptomatic infections

Commuters wearing face masks walk to work in Tokyo on April 7.

How a Japanese Museum Is Documenting Life During Covid-19

New exhibition features everyday objects that would have been unfamiliar before the pandemic

A young boy in Benin, in West Africa, receives a bed net designed to help prevent malaria.

How Covid-19’s Spread Could Drive an Increase in Malaria Deaths

Health professionals worry the pandemic could stress resources and lead to misdiagnosis in Africa

In spring, fur farms in the United States had raised biosecurity measures by increasing the use of personal protective equipment like masks, gloves and rubber boots.

Covid-19 Reaches Mink Farms in Utah

Veterinarians have confirmed five cases in U.S. minks, but suspect the actual number is higher

Concert attendees cheer at an event in Porto, Portugal, on August 15, 2020.

What Super-Spreading Events Teach Us About Protecting Ourselves From COVID-19

Scientists are increasingly finding that a small number of people may be the source of many cases

Viruses, notably influenza A and Morbillivirus, cause mass die-offs with striking head counts.

Mass Die-Offs of Marine Mammals Are on the Rise

Viral and bacteria outbreaks are increasingly causing fatalities in a variety of species, including seals and dolphins

Hopefully the new repellents will smell better too!

The Secret Behind New Insect Repellent's Potent Punch Is Found in Grapefruit

The EPA just approved nootkatone, a chemical found in grapefruit and cedars that kills and repels ticks, mosquitoes and other insects

A customer talks to a waiter in a mask while eating his meal at a table divided with transparent panels in Bangalore, India.

What Scientists Know About Airborne Transmission of the New Coronavirus

Aerosol experts, from engineers to doctors, weigh in on the ability of tiny droplets to transmit the virus that causes COVID-19

A "wine window" in Florence

Centuries-Old 'Wine Windows' Open for Business in Florence

A low-risk alternative to curbside pickup, the portals may have helped fight an outbreak of bubonic plague in the 1630s

As natural space is converted to cropland, pastures, cities and suburbia, certain short-lived animals like pigeons and rats, thrive.

In Cities and Farms, Disease-Carrying Animals Thrive

When humans dominate wild land, disease-carrying animals take over and biodiversity suffers

Jewish doctors give medical examinations in the Warsaw Ghetto

How a Public Health Campaign in the Warsaw Ghetto Stemmed the Spread of Typhus

A new study shows how life-saving efforts by Jewish doctors helped curb an epidemic during World War II

Even though social insects tend to live in super-tight quarters, colonies of such species are somehow able to limit the spread of contagions.

In Social Insects, Researchers Find Clues for Battling Pandemics

Studying the ability of some ants, termites, bees and wasps to contain pathogens may help human societies control diseases of their own

A boy has his temperature checked as he receives a free COVID-19 test in Los Angeles.

What Scientists Know About How Children Spread COVID-19

As communities struggle with the decision over whether to open up schools, the research so far offers unsatisfying answers

The Renaissance artist died in 1520 at age 37.

New Research Suggests Bloodletting, Pneumonia Killed Raphael

The artist failed to disclose his late-night outings to physicians, leading them to misdiagnose his illness

Together, COVID-19 cases in California, Florida and Texas accounted for one-fifth of new cases in the world and one-third of new cases in the United States on Monday, July 13.

California, Texas and Florida Emerge as COVID-19 Hotspots

Combined, the three states accounted for nearly 20 percent of the world's new cases on earlier this week

A woman wearing a mask walks the Brooklyn Bridge in the midst of the coronavirus (COVID-19) outbreak on March 20, 2020 in New York City.

A Virus Study You’ve Never Heard of Helped Us Understand COVID-19

What Columbia University researchers learned when they tried to get a complete picture of how respiratory viruses spread across Manhattan

A portrait of scientist Isaac Newton, who developed a toad vomit–based cure for the bubonic plague

Sir Isaac Newton's Prescription for Plague? Toad Vomit Lozenges

Handwritten notes detailing the British polymath's unsavory treatment are now up for auction

Cases of MIS-C are very rare and are mostly popping up in COVID-19 hotspots

What Experts Know About a Rare Inflammatory Syndrome Linked to COVID-19

The syndrome resembles a childhood illness called Kawasaki disease, but research is ongoing about both conditions

The New Mexico Department of Game and Fish confirmed the hemorrhagic disease in a black-tailed jackrabbit and five desert cottontails in March.

North American Rabbits Face a Deadly Virus

The hemorrhagic virus has infected in domestic rabbits since 2018, and it's now spreading in the wild population

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