Disease

A female Anopheles mosquito, the type that transmits malaria.

Ancient DNA Illuminates the History of Malaria, One of the World's Deadliest Diseases

Researchers extracted parasitic DNA from preserved teeth and bones, revealing how malaria spread across the globe in a new study

Chickens on a poultry farm in Tepatitlan, Jalisco State, Mexico, on June 6, 2024. Outbreaks of H5N2 avian influenza have recently been reported in poultry in Mexico.

Man Infected With H5N2 Bird Flu in Mexico Dies. Here's the Latest on the Virus

The strain is not the same one that has infected U.S. cows and three dairy farm workers, and officials say the risk to the general public remains low

The correspondence is undated, but experts think Kafka wrote it in the spring of 1920.

An Ailing Franz Kafka Curses Writer's Block in This Handwritten Letter to a Friend

"I haven't written anything for three years," he admitted in the note, which will go to auction this summer

Charlotte is a round stingray, a species named for its circular, disk-shaped body.

'Pregnant Virgin' Stingray Won't Give Birth After All—Here's Why

Charlotte, a female round stingray in North Carolina who has gathered a legion of online fans, is no longer pregnant due to a "rare reproductive disease"

Laboratory testing found live Trichinella larvae in black bear meat that had been frozen for 110 days.

Family Members Infected With Parasitic Worms After Eating Undercooked Bear Meat at Reunion

Six people developed symptoms of roundworm infection after consuming grilled black bear meat and vegetables in July 2022, and all have since recovered

Acorns cover the forest floor.

Why Do Trees Drop So Many Seeds One Year, and Then Hardly Any the Next?

A new paper suggests that plants may use slow seed years to prevent the spread of disease

The Black Death killed tens of millions of people in the mid-1300s, but scientists and historians are still trying to figure out how it spread.

Did Body Lice Spread Bubonic Plague? Research Suggests the Parasites Are Better Vectors Than Thought

These blood-sucking insects are capable of transmitting the bacteria that caused the Black Death, according to a laboratory study

Color-enhanced transmission electron microscope images of adenovirus, which is a common cause of respiratory illnesses. Researchers identified adenovirus remnants, as well as herpesvirus and HPV, in Neanderthal remains in a new study.

50,000-Year-Old Neanderthal Bones Have Remains of Human Viruses, Scientists Find

The preliminary analysis is a first step in testing the theory that infectious diseases played a role in Neanderthals' extinction

Rangers clear deceased birds from Staple Island in England, where avian flu had a devastating effect on a seabird colony.

Four Important Questions About Bird Flu, Answered

The virus has killed tens of millions of birds and infected hundreds of species of animals, including dairy cattle in the United States. Here’s what you should know about it

Human-caused biodiversity loss is a major factor that could contribute to more frequent and severe disease outbreaks, according to a new study.

Biodiversity Loss Increases the Risk of Disease Outbreaks, Analysis Suggests

Researchers found that human-caused environmental changes are driving the severity and prevalence of disease, putting people, animals and plants at risk

Previous research had found leprosy in modern red squirrels, and genetic analysis suggested the strain was closely related to leprosy found in medieval humans.

Medieval Squirrels and Humans May Have Spread Leprosy Back and Forth

Archaeologists uncovered evidence of leprosy in a medieval red squirrel in England, and DNA evidence revealed the strain was similar to what was circulating in humans at the time

Josefina "Joey" Guerrero (third from right) received the Medal of Honor With Silver Palm for her actions during World War II, which were “instrumental in saving the lives of many Americans and Filipinos,” according to the award citation.

This Filipina Spy Used Her Leprosy as a Cover to Thwart the Japanese During World War II

Enemy soldiers overlooked Josefina "Joey" Guerrero due to her condition. Later, her heroic actions on behalf of the Allies were largely forgotten

Experts say the pasteurization process likely kills the virus, and tests are likely just detecting remnants of the dead virus.

One in Five Milk Samples Has Bird Flu Virus Fragments, Suggesting Cow Infections Are More Widespread Than Thought

The research has not yet found evidence that milk contains infectious virus, and the FDA says the commercial milk supply is safe

A rarely diagnosed medical condition causes gut microbes to produce alcohol inside the body.

This Rare Condition Makes Some People Get Drunk, Even When They Haven't Touched a Drop of Alcohol

A man in Belgium was acquitted of drunk driving charges this week, after doctors showed he has auto-brewery syndrome, which makes his body produce alcohol

Karl Friedrich Hieronymus, the real Baron Münchhausen, was a retired German officer who fought with a Russian regiment in two campaigns against the Ottoman Empire.

The 18th-Century Baron Who Lent His Name to Munchausen Syndrome

The medical condition is named after a fictional storyteller who in turn was based on a real-life German nobleman known for telling tall tales

The measles virus as seen through a transmission microscope. Rising numbers of measles cases in the U.S. threaten its eliminated status, according to a new CDC report.

U.S. Measles Cases Are Rising in 2024, CDC Warns

Health officials urge vaccination against the highly contagious virus, which has caused 121 infections in the country this year

A person has tested positive for the H5N1 strain of bird flu just days after livestock across four states were reported to be infected.

First Human Case of Bird Flu in Texas Confirmed, Following Infections in Cattle—Here's What to Know

This marks only the second time in U.S. history that a human has contracted the H5N1 strain of avian influenza

Oral health problems can signify other problems throughout the body.

Why Isn't Dental Health Considered Primary Medical Care?

Ailments of the mouth can put the body at risk for a slew of other ills, yet dentistry is often siloed

Princess Diana opened the first dedicated ward for patients with AIDS and HIV-related diseases at London's Middlesex Hospital in 1987.

Who Will Design London's First Permanent HIV/AIDS Memorial?

Five artists have been shortlisted for the project, which will be located near the site of the U.K.'s first dedicated AIDS ward

Paul Alexander died on March 11 at age 78.

Texas Man Who Lived 70 Years in an Iron Lung Dies at 78: 'I Never Gave Up'

Paralyzed by polio in 1952, Paul Alexander led a full life despite being confined to a large steel ventilator

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