Disease and Illnesses

Since WHO established the Public Health Emergency of International Concern designation in 2005 following the SARS outbreak, it has only been used five times.

Last Week, the World Health Organization Declared Coronavirus a Global Health Emergency. What Does That Mean?

The Public Health Emergency of International Concern designation was established in 2005—and has only been used five times since

People walk past closed entrance of the Forbidden City in Beijing.

Forbidden City and Parts of Great Wall Close Temporarily in China to Limit Spread of Coronavirus

Authorities are trying to reduce the number of big crowds as China celebrates the Lunar New Year

Coronaviruses, like the newly identified Wuhan coronavirus, are so named for their halo- or crown-like appearance.

Officials Pinpoint First COVID-19 Case in United States

The mostly mysterious pathogen is known to pass from person to person, causing respiratory illness

Each year, people need to get a new flu shot to protect against the latest version of the influenza virus, which rapidly mutates. A universal flu vaccine could protect people for life.

As the World Faces One of the Worst Flu Outbreaks in Decades, Scientists Eye a Universal Vaccine

A universal flu vaccine would eliminate the need for seasonal shots and defend against the next major outbreak

The high-status 16th-century woman (right) appears to have suffered from leprosy, a disfiguring disease that likely left its mark on her skin, tissues and bone.

Artists Reconstruct Centuries-Old Faces of Early Edinburgh Residents

Skulls uncovered beneath St. Giles' Cathedral gave faces to a 12th-century man and a 16th-century woman

The bicolored white-toothed shrew (Crocidura leucodon), a small mammal known to carry and transmit Borna disease virus to other animals.

A Shrew-Borne Virus Is Responsible for Deadly Brain Infections in Humans

First discovered in livestock hundreds of years ago, Borna disease virus has apparently been claiming human lives for decades

Formalin-fixed lung collected in 1912 in Berlin from a 2-year-old girl who died of measles-related pneumonia

Century-Old Lungs May Push Origin of Measles Back 1,500 Years

The viral infection may have made its first hop into humans when large cities arose

A scholar spotted the long-overlooked image (its horns and face are at left, its legs on the right) while conducting research at a Berlin museum.

This Demon, Immortalized in 2,700-Year-Old Assyrian Tablet, Was Thought to Cause Epilepsy

The damaged drawing was hidden on the back of a clay cuneiform tablet

Strains of Streptomyces bacteria, found in soil, grow in a lab at Swansea University in Wales. They're so new to science they haven't been named.

Soil From a Northern Ireland Graveyard May Lead Scientists to a Powerful New Antibiotic

An ancient legend could provide a new weapon in the fight against deadly bacteria

Dead mussels along the Clinch River.

Scientists Don't Know Why Freshwater Mussels Are Dying Across North America

Mussel species are dying en mass in rivers across the Pacific Northwest, Midwest and South—likely from unidentified pathogens

Popular lore posits that Jimi Hendrix, or perhaps the crew of classic Hollywood film The African Queen, released the invasive species in the U.K., but a new study suggests otherwise.

Contrary to Popular Legend, Jimi Hendrix Did Not Introduce an Invasive Parakeet to the U.K.

A new study debunks several colorful theories about how ring-necked parakeets became the most abundant naturalized parrot across the pond

The Ten Best Science Books of 2019

New titles explore the workings of the human body, the lives of animals big and small, the past and future of planet earth and how it's all connected

Bioluminescent "sea fireflies," a species of ostracod crustacean, covering the rocks on the coast of Okayama, Japan.

How Studying Bioluminescent Creatures Is Transforming Medical Science

The natural light of insects and sea creatures can help doctors illuminate H.I.V. and even kill cancer cells

Historical texts, pollen samples and mortuary archaeology suggest the Justinianic plague was not as devastating as previously believed.

The Justinianic Plague's Devastating Impact Was Likely Exaggerated

A new analysis fails to find evidence that the infamous disease reshaped sixth-century Europe

The tooth-filled mouth of a lamprey. These bloodsucking fish have managed to survive for hundreds of millions of years.

Why the World Needs Bloodsucking Creatures

The ecological benefits of animals like leeches, ticks and vampire bats are the focus of a new exhibition at the Royal Ontario Museum

Today, the AIDS Memorial Quilt numbers more than 50,000 panels that honor the lives of some 105,000 people who died of AIDS.

The AIDS Memorial Quilt Is Heading Home to San Francisco

The groundbreaking community arts project has long been under the stewardship of the Atlanta-based NAMES Project Foundation

Ewelina Mamcarz and Stephen Gottschalk developed a treatment for babies born without an immune system.

These Scientists May Have Found a Cure for 'Bubble Boy' Disease

A newly developed gene therapy is saving young people afflicted by the rare but deadly diagnosis

Yersinia pestis, the bacteria that cause plague, survives on fleas that live on rodents, like rats and rabbits.

Three Cases of Plague Diagnosed in China

Officials say the risk of an outbreak is low, but many are concerned that information about the cases is being restricted

The laboratory where Frankenstein's monster is created in the 1931 film.

The Science Behind Hollywood’s Movie Monsters

Massive hits at the time, the films that brought Frankenstein, Dracula, the Mummy and more to life also tapped into societal fears and traumas

Scientists are starting to get a better idea of how many factors can influence a newborn's gut microbiome.

Babies Born by C-Section Have Different Gut Microbes Than Vaginally Delivered Infants

Method of delivery can influence the bacteria in infants' guts, according to a new study, but differences were found to disappear within nine months

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