Disease and Illnesses

A dog walks through a favela in Recife, Brazil. Many such poor urban areas in the country are hotbeds for visceral leishmaniasis.

Dogs Infected With a Deadly Human Parasite Smell Better to Insect Vectors

New research suggests female sand flies that pass the protozoa that causes visceral leishmaniasis to humans are attracted to affected canines

When suburbanites want to limit the number of deer in their area, it can be easier said than done.

How Can Suburbs Control Deer Populations? And More Questions From Our Readers

You've got questions. We've got experts

Pine siskins make up over 40 percent of the birds seen by the Bird Rescue Center of Sonoma County in recent weeks.

Songbirds Are Spreading a Deadly Disease at Birdfeeders

Pine siskins, a type of finch, can spread salmonella bacteria when they poop on the high-traffic platforms

About 31 million people had been fully vaccinated in the U.S. as of Monday, March 8.

CDC Releases Guidelines for People Vaccinated Against Covid-19

The rules allow small gatherings with other vaccinated people or visits to a single household of unvaccinated people

Jennifer Doudna, a Nobel Prize recipient for her work on the gene-editing tool CRISPR, and the "life sciences revolution" are the dual subjects of Walter Isaacson's latest biography.

How Scientist Jennifer Doudna Is Leading the Next Technological Revolution

A new book from Steve Jobs biographer Walter Isaacson offers an incisive portrait of the gene editing field that is changing modern medicine

Artificial Intelligence has been used to help caregivers focus on patients most at-risk, sort threats to patient recovery and foresee spikes in facility needs for things like beds and ventilators.

How Doctors Are Using Artificial Intelligence to Battle Covid-19

Software is helping to shape treatment, but experts worry that some tools are approved too soon and others are biased

In 1794, angered by the inaccurate reporting of the work black Philadelphians had contributed, Richard Allen (above) and Absalom Jones published "A Refutation," detailing how the community cared for the sick.

How the Politics of Race Played Out During the 1793 Yellow Fever Epidemic

Free blacks cared for the sick even as their lives were imperiled

The authorization is the third Covid-19 vaccine—following Moderna and Pfizer-BioNTech's mRNA vaccines—approved for use in the United States.

FDA Approves Johnson & Johnson Vaccine, Another Valuable Tool Against Covid-19

New vaccines increase the total supply and meet the needs of different communities

Now that several Covid-19 vaccines have been shown safe and effective in adults, the producers can begin clinical trials in adolescents.

Why the Covid-19 Vaccine Rollout Will Be Different for Kids

Pfizer expects to release the first data about vaccine efficacy and safety in adolescents by this summer

The Fever That Struck New York

The front lines of a terrible epidemic, through the eyes of a young doctor profoundly touched by tragedy

An analysis of the genome of the B.1.1.7 variant of the coronavirus overlaid on the CDC's map of different states' genome sequencing rates. Darker-shaded states have processed more genomes (relative to their total case count) than lighter, greener states.

Why the U.S. Is Struggling to Track Coronavirus Variants

A scattered and underfunded effort at genomic sequencing has hindered the country’s ability to detect different forms of the virus

If approved, the Johnson & Johnson vaccine could become available as soon as March.

Johnson & Johnson Applies for FDA's Emergency Use Authorization for Covid-19 Vaccine—Here's Why That Takes Time

Independent experts will review data from over 40,000 trial participants and meet on February 26 to make a recommendation

A patient holds a sample test tube for Chlamydia testing.

How Covid-19 Has Hurt the Effort to Track STDs

As gonorrhea, syphilis and chlamydia have hit their highest marks in decades, many STD contact tracers have shifted to work on the pandemic

Passengers need to eat and drink on a long-haul flight, which means they remove their masks and risk spreading or catching Covid-19.

What One Covid-19 Cluster on an Airplane Tells Experts About Risk Factors While Flying

When one person with Covid-19 took an 18-hour flight from Dubai to New Zealand, several people got sick

Currently accessible Covid-19 vaccines seem to protect people against the emerging variants so far.

What Experts Know About the Current Coronavirus Variants

The appearance of highly transmissible versions of the pandemic coronavirus has the world's medical community on high alert

A volunteer donates blood during an event at the Field Museum in Chicago in May, 2020.

What Scientists Are Learning About Covid-19 Using the Nation's Blood Supply

Labs and blood banks collect millions of blood samples each month, offering a distinctive source of data on the disease

Mask wearing and other behaviors developed during the Covid-19 pandemic are largely keeping flu cases low this year.

How Covid-19 Precautions Have Kept Flu Cases Low

By this time last year, the U.S. had recorded over 65,000 cases of influenza

Toxoplasma gondii grows in tissue cysts which can stick around in the body after illness has passed

Parasite Found in Undercooked Meat and Cat Poop May Be Linked to Rare Brain Cancer

The U.S. sees about 24,000 brain cancer cases annually, compared to 30 million cases of Toxoplasma gondii, so an individual’s cancer risk is low

(Top row) Jing Liu and Florian Idenburg, Barron Ryan, Arturo Elizondo, (middle row) Samantha Pratt, Gitanjali Rao, Anitra Belle Henderson, (bottom row) Kennyjie, Andrea Ponti and Brett Phaneuf

Ten Innovators to Watch in 2021

These visionaries are imagining an exciting future with chicken-less eggs, self-piloting ships and more

A COVID testing site at Echo Park Stadium on December 30, 2020 in Parker, Colorado. This site is nearby Ebert County, where the first case of a COVID-19 variant that is thought to be more contagious was detected in the United States.

Colorado and California Report First U.S. Cases of Highly Contagious Covid-19 Variant

First discovered in England, the variant appears to be more transmissible but does not cause a more severe case of the disease

Page 15 of 39