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Disease and Illnesses

Alice Ball was just 23 years old when she developed a method of making chaulmoogra oil—an early treatment for leprosy—more easily injectable.

Women Who Shaped History

The Trailblazing Black Woman Chemist Who Discovered a Treatment for Leprosy

After Alice Ball’s death in 1916 at age 24, a white man took credit for her research

Medical professionals agree Pfizer’s current three-shot vaccination schedule still provides strong protection for healthy, young people against getting very sick with Covid-19. 

Pfizer Seeks Authorization of a Second Covid-19 Booster for Older Americans

The request comes after mounting evidence that protection from three shots has faded with time, especially against the Omicron variant

A first grade student receives a Covid-19 vaccine in Chicago, Illinois

Six Important Things to Know About Covid Vaccination in Children

Experts share the latest research and advice about protecting kids

Researchers examined magnetic resonance imaging (MRI) scans of the brains of 785 British participants before and after Covid-19 infection.

Even Mild Covid-19 Infections May Change the Brain, New Study Finds

Scans taken before and after a case of coronavirus reveal tissue damage and accelerated loss of gray matter

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

Air pockets in a sponge mimic healthy soil, which has various nooks and crannies to host microbial communities. 

Your Kitchen Sponge Is a Better Home for Bacteria Than a Petri Dish

Its porous structure provides the ideal physical environment for different kinds of bacteria to thrive, according to new research

Bones communicate in varying ways with other parts of the body.

How Bones Communicate With the Rest of the Body

A new vision of the skeleton as a dynamic organ that sends and receives messages suggests potential therapies for osteoporosis and other problems

Flea-ridden rats in crowded medieval cities were the primary cause of Black Death infections in the 14th century, which historians believe killed off nearly half the European populaton. A new study argues, however, that the death toll may have in fact been way lower. 

New Research

The Black Death Wasn’t as Deadly as Previously Thought, Research Suggests

Ancient pollen deposits reveal that some areas of Europe may have experienced a ‘much lighter touch’ of the disease, according to the study

ONE Condoms become the first condoms approved for anal sex by the FDA. 

FDA Approves First Condom for Anal Sex

Health experts say FDA authorization may increase condom usage during anal intercourse and reduce sexually transmitted infections

Black-legged ticks, also called deer ticks, carry a variety of diseases that can be passed to humans.

Scientists Edit Tick Genes for the First Time

Altering tick genomes could bring scientists closer to managing ticks and tick-borne illnesses like Lyme disease

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

The patient was treated for HIV using stem cells from umbilical cord blood, a less invasive and risky method compared to bone marrow transplants.

First Woman Has Been ‘Cured’ of HIV Using Stem Cells

The novel treatment using umbilical cord blood could help dozens of people with both HIV and aggressive cancers

A woman who is six months pregnant receives a Covid booster shot in Los Angeles. The CDC advises pregnant women to get vaccinated.

Covid-19

Seven Things to Know About Covid-19 and Pregnancy

From the effect of vaccines on a baby’s immunity to whether Covid-19 can cause stillbirths, experts weigh in with helpful information and advice

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

Properly fitted N95 masks should filter 94-95 percent of viral particles.

Covid-19

What You Need to Know About Covid Masks in the Age of Omicron

From what to wear to how to avoid counterfeits, experts weigh in on the latest advice about masks and Covid-19

Reconstruction by an artist of the toilet room that stood in the garden of the Armon Hanatziv royal estate

Ancient Toilet Unearthed in Jerusalem Shows Elite Were Plagued by Intestinal Worms

Mineralized feces chock-full of parasitic eggs indicate that it wasn’t the lower classes alone who suffered from certain infectious diseases

Anthony Fauci (left), director of the National Institute of Allergy and Infectious Diseases and chief medical advisor to the President, listens as President Joe Biden (right) delivers remarks on the Omicron Covid-19 variant. Fauci has warned that Omicron could reach most of the population.

Covid-19

Seven Key Questions About Omicron Answered

As the variant spreads and more studies have been done, experts share what they know

When putting on or taking off a mask, handle it by the edges or straps to avoid contamination.

Covid-19

Can You Reuse a KN95 or N95 Mask? Experts Say Yes, but Follow These Steps

Regularly check for stretched-out straps, staining and soiling, which can compromise masks’ ability to filter viruses like Covid-19

The gene-edited pig heart recipient, who was ineligible for a human heart transplant, is doing well three days after the surgery. 

In a First, Man Receives a Heart From a Gene-Edited Pig

The swine-to-person cardiac transplant offers hope for thousands in need of organs

Preliminary evidence suggests that rapid tests like Abbott BinaxNOW and Quidel QuickVue struggle to detect the omicron variant during an individual’s first few days of infection. 

Should You Add a Throat Swab to Your At-Home Covid-19 Test?

Mounting evidence suggests the extra step might catch Omicron infections earlier than a nasal swab alone, but the FDA warns against it

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