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Disease and Illnesses

Nine out of 10 malaria victims live in Africa, most of them children under the age of five.

Innovation for Good: Game Changers

West African Scientists Are Leading the Science Behind a Malaria Vaccine

Researchers in Mali have been working for decades on the treatment that’s now in the final phase of clinical trials

A researcher looks at Artemisia annua seedlings. The plant contains malaria-fighting compounds.

World Health Organization Certifies China as Malaria-Free

In the 1940s, the country recorded 30 million cases of malaria each year

Ancient DNA and proteins gathered from the specimen's bones and teeth revealed the presence of Yersinia pestis.

New Research

Oldest Strain of Plague Bacteria Found in 5,000-Year-Old Human Remains

Unlike the ‘Black Death’ in the 14th century, the ancient infection probably did not spread quickly between people

Officials at the U.S. Centers for Disease Control and Prevention anticipate that Delta will become the dominant variant in the United States within the next few months.

Covid-19

Covid-19 Delta Variant Emerges as Primary Threat Around the World

A surge of cases in the United Kingdom suggests that Delta is the most transmissible variant yet identified

Scholars used a newly developed technique to test skeletons' teeth for the presence of Yersinia pestis, the pathogen responsible for the plague.

Cool Finds

Why Weren’t These Black Death Victims Buried in Mass Graves?

New research suggests some Europeans who died of the bubonic plague were individually interred with care

A blue jay photographed at a bird feeder. Fledgling blue jays and grackles in D.C., Virginia, Maryland and West Virginia have been dying of a mysterious ailment since late May.

Mysterious Ailment Blinding and Killing Birds in Washington, D.C. Area

Authorities are urging the public to take down bird feeders and baths in hopes of curbing the spread of what could be a wildlife disease

A Covid-19 restrictions sign hangs outside a supermarket in Austin, Texas. Lauren Ancel Meyers at the University of Texas at Austin has shared her team’s modeling results with city officials who make decisions about Covid-19 measures.

Covid-19

What Data Scientists Learned by Modeling the Spread of Covid-19

Models of the disease have become more complex, but are still only as good as the assumptions at their core and the data that feed them

Historically, doctors have often treated women's pain as a sign of mental illness.

Myth and Misdiagnosis Have Plagued Women’s Health for Centuries

A new book by scholar Elinor Cleghorn details the medical mistreatment of women throughout Western history

The World Health Organization has identified four variants of concern, named Alpha, Beta, Gamma and Delta, and six variants of interest.

Talking About Coronavirus Variants Just Got Easier With New Greek Letter Naming System

The move aims to remove the stigmatization of location-based names and reduce the confusion of scientific names

A health worker preserves mucosal swab samples at a Covid-19 testing center in New Delhi, India.

Scientists Are Creating a Blood Test to Measure Covid-19 Immunity

Once researchers determine a ‘correlate of protection,’ they will be able to measure immunity and develop new vaccines more quickly

Iztuzu Beach in Turkey was closed during part of the pandemic. Around the world, lockdowns to combat Covid-19 forced people to stay home and halt activities—with mixed results for ecosystems and the living things within them.

Covid-19

The Positive and Negative Impacts of Covid on Nature

The absence of humans in some places led animals to increase, while the cancellation of conservation work in other places harmed species

In a lab experiment, a blind 58-year-old male volunteer was able to identify the position of two cups after receiving a new type of gene therapy.

New Research

New Gene Therapy Partially Restores Sight to Blind Man

Researchers inserted genes that code for light-sensitive proteins in algae into the man’s retina, and now he reports limited but much improved vision

New research suggests the intrepid adventurer's persistent health problems stemmed from beriberi, a disease linked to vitamin B-1 deficiency.

What Mysterious Illness Plagued Polar Explorer Ernest Shackleton?

The Antarctic adventurer was initially diagnosed with scurvy, but new research suggests he actually suffered from beriberi

At the end of April, the CDC released guidance that said fully vaccinated people could safely go outdoors without wearing masks; the new guidance expands on that to include most indoor activities.

New CDC Covid-19 Guidance Says Fully Vaccinated People Can Safely Go Maskless

In healthcare settings, mass transit, and where local laws require it, people should continue to wear masks

A 16-year-old gets her Pfizer-BioNTech Covid-19 vaccine from a nurse in Anaheim, California, after use for people 16 and older was approved in April.

First Covid-19 Vaccine Authorized for Kids Ages 12 to 15

Officials and parents hope to vaccinate young teens against the coronavirus in time for summer recreation and school in the fall

Remains of individuals unearthed at the site of the former Hospital of St. John the Evangelist in Cambridge

New Research

Medieval Britain’s Cancer Rates Were Ten Times Higher Than Previously Thought

A new analysis of 143 skeletons suggests the disease was more common than previously estimated, though still much rarer than today

Some facets of the 1918 influenza pandemic echo today's crisis: There were mask mandates, campaigns against spitting and pleas for people to cover their mouths, and more than half a million Americans died. The decade that followed the pandemic, however, was marked by social change and economic prosperity—for some.

What Caused the Roaring Twenties? Not the End of a Pandemic (Probably)

As the U.S. anticipates a vaccinated summer, historians say measuring the impact of the 1918 influenza on the uproarious decade that followed is tricky

The majority of documented Covid-19 transmission has taken place indoors, with less than ten percent occurring outdoors, per the Associated Press.

CDC Eases Outdoor Mask-Wearing Guidelines for Small Groups

More than 90 percent of documented Covid-19 cases are sparked by transmission indoors

The Anopheles stephensi mosquito is a carrier of the malaria parasite, and can infect people with the parasite when it bites them

New Research

New Malaria Vaccine Trial Reports 77 Percent Efficacy Rate

The promising results were announced following a second phase vaccine trial that included 450 children between five and 17 months old

Grasses and coastal scrub photographed at Salt Point State Park in Northern California. This park is one of several coastal areas researchers surveyed as part of a new study of disease-carrying ticks.

New Research

California Study Finds Lyme Disease-Carrying Ticks by the Beach

Researchers found as many ticks carrying the bacterium that causes Lyme disease in coastal areas as they did in woodlands

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