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Disease and Illnesses

According to the World Health Organization, some 42 "candidate vaccines" against the coronavirus that causes Covid-19 are undergoing clinical trials.

Covid-19

What Is the Best Strategy to Deploy a Covid-19 Vaccine?

Mathematicians are modeling different scenarios for a vaccine rollout to see what may work best

An American dog tick (Dermacentor variabilis) on a human finger.

New Research

Higher Temperatures Make Some Ticks Pick Humans Over Dogs

The study’s results suggest certain tick-borne diseases could become even more prevalent as climate change heats up the planet

But since 2010, the percentage of children around the world receiving the first vaccine has plateaued at around 85 percent; only 71 percent receive the second dose.

A Resurgence of Measles Killed More Than 200,000 People Last Year

Public health experts worry that vaccine availability will be further stalled by the Covid-19 pandemic

Reconstruction of a titanosaur with ulcerations

First Evidence of Parasites in Dinosaur Bones Found

A team of paleontologists used CT scans and tissue samples to uncover blood pathogens in an infected titanosaur

Electron microscope image of a human cell (purple) heavily infected with SARS-CoV-2 virus particles (yellow)

Covid-19

Will the Coronavirus Evolve to Be Less Deadly?

History and science suggest many possible pathways for pandemics, but questions remain about how this one will end

An illustration of Legionella bacteria, the cause of Legionnaires' disease

Why Reports of Legionnaires’ Disease Are on the Rise in the United States

Though less common than in the past, Legionella bacteria and other dangerous pathogens still lurk in drinking water

A father and his daughter engage in a video chat with their doctor.

Covid-19

Should Parents Test for Covid if Their Kid Might Just Have a Cold?

Experts weigh in on when students with runny noses, fevers, and coughs should be quarantined and checked

A woman with anorexia gets ready to weigh herself.

Covid-19

How Patients With Eating Disorders Have Been Affected by the Pandemic

A recent study suggests that worries related to Covid-19 may exacerbate conditions including anorexia and binge eating

The discoveries of these three Nobel laureates “saved millions of lives worldwide,” one Nobel committee member said.

Trending Today

Nobel Prize in Medicine Awarded to Three Scientists Who Discovered Hepatitis C

The contributions of these Nobel laureates helped identify, test, and treat hepatitis C

Woodrow Wilson, seen here at the start of the Paris Peace Conference in January 1919, never publicly acknowledged the pandemic's toll on his country.

Trending Today

What Happened When Woodrow Wilson Came Down With the 1918 Flu?

The president contracted influenza while attending peace talks in Paris, but the nation was never told the full, true story

School children are spaced apart in one of the rooms used for lunch at Woodland Elementary School in Milford, Massachusetts on Sept. 11, 2020.

Covid-19

Exactly How Far Should You Distance From Others to Avoid Covid-19?

The CDC recommends 6 feet or more, the WHO about half that distance, but experts say the science is far from settled

Some Covid-19 patients are reporting that foods including coffee, chocolate and red wine smell awful.

Why Covid-19 Patients Are Suffering From Distorted and Phantom Smells

An increasing number of patients are reporting awful scents that aren’t present

A doctor checks the temperature of a child at a mobile clinic.

Covid-19

What Happens When Children’s Covid-19 Symptoms Won’t Go Away

Some parents say their kids have been sick for months, and experts aren’t sure what’s going on

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.

Covid-19

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.

Covid-19

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

Riker Laboratories advertised its new device for treating asthma in 1957—two years after a teenager’s truly inspiring suggestion.

The History of the Asthma Inhaler

How a brilliant quip led to a treatment that helps millions every minute

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

Covid-19

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

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