Disease

Pine siskins make up over 40 percent of the birds seen by the Bird Rescue Center of Sonoma County in recent weeks.

Songbirds Are Spreading a Deadly Disease at Birdfeeders

Pine siskins, a type of finch, can spread salmonella bacteria when they poop on the high-traffic platforms

About 31 million people had been fully vaccinated in the U.S. as of Monday, March 8.

CDC Releases Guidelines for People Vaccinated Against Covid-19

The rules allow small gatherings with other vaccinated people or visits to a single household of unvaccinated people

Artificial Intelligence has been used to help caregivers focus on patients most at-risk, sort threats to patient recovery and foresee spikes in facility needs for things like beds and ventilators.

How Doctors Are Using Artificial Intelligence to Battle Covid-19

Software is helping to shape treatment, but experts worry that some tools are approved too soon and others are biased

The authorization is the third Covid-19 vaccine—following Moderna and Pfizer-BioNTech's mRNA vaccines—approved for use in the United States.

FDA Approves Johnson & Johnson Vaccine, Another Valuable Tool Against Covid-19

New vaccines increase the total supply and meet the needs of different communities

Now that several Covid-19 vaccines have been shown safe and effective in adults, the producers can begin clinical trials in adolescents.

Why the Covid-19 Vaccine Rollout Will Be Different for Kids

Pfizer expects to release the first data about vaccine efficacy and safety in adolescents by this summer

The Fever That Struck New York

The front lines of a terrible epidemic, through the eyes of a young doctor profoundly touched by tragedy

Dementia is "the impaired ability to remember, think or make decisions that interferes with doing everyday activities," per the CDC.

Large Study Shows People With Dementia Are at Higher Covid-19 Risk

The condition may present both physical and social risk factors that make transmission more likely

If approved, the Johnson & Johnson vaccine could become available as soon as March.

Johnson & Johnson Applies for FDA's Emergency Use Authorization for Covid-19 Vaccine—Here's Why That Takes Time

Independent experts will review data from over 40,000 trial participants and meet on February 26 to make a recommendation

ENGS peaks in March during the dry season and researcher’s suspect that something within the chimps’ biology or in their environment is prompting the disease

The Mysterious Cause of a Deadly Illness in Sanctuary Chimps Revealed

Researchers identified the 100 percent fatal pathogen as epizootic neurologic and gastroenteric syndrome or ENGS

A patient holds a sample test tube for Chlamydia testing.

How Covid-19 Has Hurt the Effort to Track STDs

As gonorrhea, syphilis and chlamydia have hit their highest marks in decades, many STD contact tracers have shifted to work on the pandemic

Passengers need to eat and drink on a long-haul flight, which means they remove their masks and risk spreading or catching Covid-19.

What One Covid-19 Cluster on an Airplane Tells Experts About Risk Factors While Flying

When one person with Covid-19 took an 18-hour flight from Dubai to New Zealand, several people got sick

Currently accessible Covid-19 vaccines seem to protect people against the emerging variants so far.

What Experts Know About the Current Coronavirus Variants

The appearance of highly transmissible versions of the pandemic coronavirus has the world's medical community on high alert

An 1802 engraving, The Cow Pock—or—the Wonderful Effects of the New Inoculation plays on the fears of a crowd of vaccinees.

History Shows Americans Have Always Been Wary of Vaccines

Even so, many diseases have been tamed. Will Covid-19 be next?

A volunteer donates blood during an event at the Field Museum in Chicago in May, 2020.

What Scientists Are Learning About Covid-19 Using the Nation's Blood Supply

Labs and blood banks collect millions of blood samples each month, offering a distinctive source of data on the disease

Mask wearing and other behaviors developed during the Covid-19 pandemic are largely keeping flu cases low this year.

How Covid-19 Precautions Have Kept Flu Cases Low

By this time last year, the U.S. had recorded over 65,000 cases of influenza

Toxoplasma gondii grows in tissue cysts which can stick around in the body after illness has passed

Parasite Found in Undercooked Meat and Cat Poop May Be Linked to Rare Brain Cancer

The U.S. sees about 24,000 brain cancer cases annually, compared to 30 million cases of Toxoplasma gondii, so an individual’s cancer risk is low

Three of eight gorillas at the San Diego Zoo Safari Park show mild symptoms of a coronavirus infection

Gorillas at California Zoo Test Positive for Covid-19

Three iconic primates at the San Diego Zoo Safari Park show mild symptoms, including lethargy and runny noses

Health workers in protective suits cull ducks in Karuvatta after the H5N8 bird flu strain was detected.

Avian Flu Outbreak in India Results in Mass Poultry Culls

No cases of avian flu have been detected in humans during the current outbreak

A COVID testing site at Echo Park Stadium on December 30, 2020 in Parker, Colorado. This site is nearby Ebert County, where the first case of a COVID-19 variant that is thought to be more contagious was detected in the United States.

Colorado and California Report First U.S. Cases of Highly Contagious Covid-19 Variant

First discovered in England, the variant appears to be more transmissible but does not cause a more severe case of the disease

Dolphins can tolerate freshwater for short periods of time, but they developed painful lesions after the storms as a result of prolonged exposure.

Fatal Skin Disease Outbreak in Dolphins Linked to Climate Change–Fueled Storm Surges

When the porpoises are exposed to freshwater after extreme weather, they develop grisly lesions that can lead to their deaths

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