Diseases

Groundbreaking research on COVID-19, cancer, diabetes, and other health concerns.

Latest in Diseases

A 66-year-old patient is likely the fifth person virtually cured of HIV.
Diseases

Rare transplant cells have cured another HIV patient

By Jocelyn Solis-Moreira

A child wearing a mask receives a squirt of a nasal vaccine.
COVID-19

The White House (sort of) has a plan to create more resilient COVID vaccines

By Philip Kiefer

A pig's heart in a medical container held by a medical worker in blue protective clothing
Diseases

How organ-transplant teams hunt for hidden animal-to-human viruses

By Philip Kiefer

Poliovirus particles in blue and green in a digital rendering
Diseases

What to know about the new rare polio case in New York

By Jocelyn Solis-Moreira

A microscope image of monkeypox virus particles, which are oval with a fringed outer ring.
Diseases

Monkeypox isn’t an STI. So why are health officials focused on sex?

By Philip Kiefer

Arteries with red blood cells flowing through and a yellowish cholesterol clog in a medical illustration
Diseases

A super-sharp gene editing tool could tackle high cholesterol and other common ailments

By Jocelyn Solis-Moreira

Pad with red sequins next to two tampons, yellow hormone pills, and an alarm clock to represent irregular periods
COVID-19

How do vaccines affect periods? A big COVID survey lays out some clues.

By Kate Baggaley

The FDA has just given emergency use authorization to the Novavax vaccine.
COVID-19

FDA just greenlit a different type of COVID vaccine

By Jocelyn Solis-Moreira

Black person with short gray hair in a red collared shirt wearing a COVID mask looking directly into the camera
COVID-19

Machine learning is finally helping us track COVID deaths faster and more accurately

By Kate Baggaley

A man on a bicycle wearing a face mask as he passes flowering bushes.
COVID-19

Omicron variants keep getting better at dodging our immune systems

By Philip Kiefer

New mother nursing newborn baby while wearing a COVID mask
COVID-19

COVID deaths in pregnant people in the US are flying under the radar

By Maria Parazo Rose

Sleep is closely tied to important health factors like our weight, blood pressure, and glucose metabolism.
Diseases

Take heart: A good night’s sleep can boost cardiac health

By Jocelyn Solis-Moreira

Person with blond hair and white nail polish scratching mosquito bites that could carry viruses
Animals

These mosquito-borne viruses have a bizarre way of making you smell sweeter to their minions

By Kate Baggaley

Clinical sample of the monkeypox virus.
Diseases

More than a million monkeypox vaccines are on their way in the US

By Jocelyn Solis-Moreira

Juul e-cigarette vaping pen next to box and a gavel to symbolize FDA ban decision
Cancer

Why Juul vaping products might start disappearing from US stores

By Jocelyn Solis-Moreira

gloves, pills, thermometers, masks
COVID-19

This outbreak simulator predicted the strange twists in our pandemic behavior

By Charlotte Hu

Three kids in COVID masks with bookbags right before summer vacation and COVID vaccines are available for their age group
COVID-19

COVID vaccines for children under 5 are near. Here’s how to prepare.

By Jocelyn Solis-Moreira

Person with black hair with a bald spot on their temple due to alopecia hair loss
Diseases

Alopecia patients finally have an FDA-approved hair-loss treatment

By Jocelyn Solis-Moreira

A small child is having a bandage put on his arm after receiving a shot. A caregiver stands behind him.
COVID-19

Young kids will likely have COVID vaccine access in the next few weeks

By Philip Kiefer

DNA from plague victims’ teeth may unravel the origin of Black Death
Archaeology

DNA from plague victims’ teeth may unravel the origin of Black Death

By Kate Baggaley

bowls containing wheat flour, eggs, shellfish, peanuts, soybeans, and other common allergens
COVID-19

It’s harder for kids with food allergies to catch COVID

By Philip Kiefer

A blonde person wearing a medical face mask and standing in a mostly empty airport while holding onto a white rolling suitcase.
COVID-19

Your up-to-date guide on international travel during COVID-19

By Sandra Gutierrez G.

Plane traveler wearing a COVID mask with an orange neck pillow looking out window after CDC lifted COVID testing policy for international flights
COVID-19

Flying to the US? You no longer need a negative COVID test.

By Jocelyn Solis-Moreira

Vaccination is one of the best ways to protect against COVID.
COVID-19

Moderna is testing an Omicron-specific COVID vaccine. Here’s how it’s faring.

By Jocelyn Solis-Moreira

For patients with rectal cancer who received an experimental new treatment.
Cancer

A new rectal cancer treatment eliminated all tumors in a small group of patients

By Jocelyn Solis-Moreira

Person with short brown hair in a white t-shirt and a COVID surgical mask checking their temperature on a thermometer for COVID rebound infection
COVID-19

What we know about COVID rebound so far

By Philip Kiefer

An older adult at the doctor's office
COVID-19

What older adults need to know about long COVID

By Judith Graham / KFF Health News

A microscope image of several SARS-CoV-2 virus particles.
COVID-19

An estimate of how many Americans have died from each COVID variant

By Philip Kiefer

White cat on a red leash outdoors on a lawn full of pink lilac flowers
Animals

Outdoor cats are deadly—and not just for birds and squirrels

By Kristine Liao

A line of people queue up in front of a blue tent.
COVID-19

What’s next for China’s zero COVID policy

By Philip Kiefer

a healthcare worker giving a vaccine to a patient
COVID-19

A massive new study confirms vaccinated people are still at risk of long COVID

By Hannah Seo

Images from the September 1923 issue of Popular Science Monthly.
Diabetes

From the archives: How a medical ‘outsider’ discovered insulin

By Bill Gourgey

A blue and pink microscope slide showing several ovals in animal flesh.
Diseases

Here’s what we know about monkeypox transmission so far

By Philip Kiefer

US Army service members in surgical masks saluting the coffin of a veteran who died of COVID-19
COVID-19

What 1 million COVID deaths looks like from the frontlines

By Philip Kiefer

Marie Maynard Daly
Diseases

Biochemist Marie Maynard Daly uncovered what makes us tick

By Yasmin Tayag

A photo of an open window, skylight.
COVID-19

How better ventilation can fight the spread of COVID in your home

By Liz Szabo / KHN

A girl getting vaccinated.
COVID-19

Children 5 to 11 can now get COVID boosters

By Hannah Seo

National Mall in Washington, D.C. covered in thousands of white flags to represent each US COVID death
COVID-19

We’ve lost more than 1 million Americans to COVID

By Purbita Saha

The 1918 flu outbreak, in which patients were kept in quarantine wards like this, was one of the world's deadliest pandemics.
Biology

A viral descendent of the deadly 1918 flu is probably still going around

By Hannah Seo

A child playing with a bear.
Diseases

We still don’t know what’s behind the global hepatitis outbreak in kids

By Hannah Seo

People standing on a bridge at sunset while bats fly over.
Animals

Climate change could introduce humans to thousands of new viruses

By Philip Kiefer

A pill bottle on a blue background spilling aspirin tabs.
Diseases

Millions of Americans take aspirin to prevent heart disease—but should they?

By Philip Kiefer

a person sneezing
COVID-19

CDC estimates 58 percent of Americans have been infected with COVID so far

By Hannah Seo

The CDC needs the public’s help to reverse the upward trend in STIs
Diseases

The CDC needs the public’s help to reverse the upward trend in STIs

By Kate Baggaley

Person in a pink hijab talking to an oncologist in a pony tail and white coat about cancer treatments
Cancer

Why doctors almost never say cancer is ‘cured’

By Jeanette Beebe

N95 Masks laid out on a blue background
COVID-19

Masks can work—even if you’re the only one wearing them

By Philip Kiefer

A judge threw out the US travel mask mandate. What’s next?
COVID-19

A judge threw out the US travel mask mandate. What’s next?

By Hannah Seo

Three children in dresses playing in a sandbox during an acute hepatitis outbreak in the US and Europe
Diseases

A mysterious liver disease is sickening kids in the US and Europe

By Purbita Saha

a white and blue medicine box that reads paxlovid by pfizer
COVID-19

What to consider when taking Pfizer’s COVID-19 pill Paxlovid

By Kate Baggaley

A single HPV vaccine is effective against the disease, a new study shows.
Cancer

A single HPV vaccine dose can protect against cervical cancer

By Hannah Seo

Food and Drug Administration headquarters in Washington, DC hosting a COVID vaccine booster meeting
COVID-19

The FDA is inching closer to a long-term COVID booster plan

By Philip Kiefer

a woman wearing a mask finished receiving a shot and is getting a bandaid on her arm
COVID-19

Everything you should know about getting a second COVID booster

By Kate Baggaley

People in masks waiting on a New York City street in daytime for free COVID-19 testing at a blue truck
COVID-19

COVID relief funds are drying up—and so are free tests and treatments

By Lauren J. Young

A photo of people holding hands to illustrate an article about post COVID psychosis.
COVID-19

Post-COVID psychosis is rare, but distressing

By Sarah Hellewell / The Conversation

Box of COVID-19 medical masks on wooden floor.
COVID-19

Your disposable COVID masks could be reborn as fuel

By Carla Delgado

moderna covid shot
COVID-19

Moderna’s latest COVID vaccine trial for kids offers ‘really good news’

By Hannah Seo

Best high-filtration masks
COVID-19

Best N95 and other high-filtration masks

By Rebecca Sohn

Terahertz laser setup with green lights and silver machinery in a dark room
Cancer

You’ve probably never heard of terahertz waves, but they could change your life

By Rahul Rao

Medical hospital hallway to illustrate a story about covid 19 and immunocompromised people.
COVID-19

We can’t end the pandemic without protecting those most at risk

By Michael Rose / Undark

A sunny European plaza with empty tables because of the BA.2 COVID surge
COVID-19

COVID’s coming back in Europe. Are we next?

By Philip Kiefer

Spider in a web illustrating a story about new possibilities for cancer treatment.
Animals

Spider silk proteins could be the key to future cancer therapies

By Michael Landreh / The Conversation

a patient receives a covid shot
COVID-19

mRNA COVID vaccines pose no serious risks for immunocompromised people

By Kate Baggaley

One big reason why Alzheimer’s might be going undetected in the US
Diseases

One big reason why Alzheimer’s might be going undetected in the US

By Hannah Seo

COVID test samples with tubes and labels for detecting variants like Delta and Omicron
COVID-19

‘Deltacron’ could exist after all

By Philip Kiefer

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