Pandemic

The proposed changes to isolation guidelines would bring the CDC's approach to Covid-19 closer to California's and Oregon's. Both states amended their isolation guidance within the last year.

CDC Considers Dropping Five-Day Covid Isolation Guideline

While no official decision has been made, symptomatic patients might be able to stop isolating if they are fever-free for 24 hours and are beginning to feel better under the proposed change

Researchers studied climate fluctuations in Roman Italy between 200 B.C.E. and 600 C.E.

Plagues That Ravaged the Roman Empire Were Linked to Periods of Cold Weather

The changing climate may have had ripple effects that made people more susceptible to disease, new research suggests

People with long Covid sit in the audience at a U.S. Senate hearing about the condition on January 18.

Scientists Find Indicators in Blood Linked to Long Covid, Hinting at Future Treatments

One part of the immune system appeared to be overly active in long Covid patients in a small study, a finding researchers hope could help diagnose or treat the condition

Covid-19 lockdowns had all kinds of effects on wild populations, helping some and hindering others. In one Mexican marine park, though, the sudden lack of tourists led to an increase in the density and diversity of marine species.

During Covid-19 Lockdowns, Fish Flourished in This Park

In the absence of tourists, the animals increased within Mexico’s Cabo Pulmo National Park

In 2022, nearly 46 percent of health workers felt burnt out either often or very often.

Health Care Workers Are Burning Out, CDC Says

Depression, anxiety and harassment of health professionals have risen beyond crisis levels, per a new report from the agency

Patients with the 1918 flu at a barracks hospital in Colorado.

The 1918 Flu Hit Frailer People the Hardest, Study Suggests

Skeletons of people who died before and during the 20th-century pandemic counter the narrative that young and healthy people were targeted by the disease

A new round of Covid-19 vaccinations was recommended by Centers for Disease Control and Prevention advisers on Tuesday.

What to Know About the New Covid-19 Vaccines, Now Recommended by CDC Advisers

Experts say the latest boosters are effective against emerging variants including EG.5.1 and BA.2.86

Covid-19 cases are on the rise in the U.S., but experts say it is not unexpected.

Covid-19 Hospitalizations Show an Uptick in the U.S. but Remain Low

Since the end of the nation's public health emergency for the virus, hospitalizations are one of the best available indicators of trends in case totals

Candida auris

This Fungus Is Quickly Spreading, and Climate Change May Be to Blame

Washington state reported its first case of Candida auris, which can cause illness in people with weakened immune systems

A woman with long Covid, suffering symptoms including extreme fatigue and brain fog, rests on her couch on February 3, 2022.

Long Covid's Brain Fog Is Akin to 'Aging Ten Years,' Study Finds

Scientists tested the cognitive function of more than 3,000 participants and found those with longer-lasting Covid symptoms had the strongest decline

The research team stands alongside the SARS-CoV-2 wet cyclone aerosol sampler they developed.

New Device Can Detect Covid in the Air Within Five Minutes

Researchers report the technology is 77 to 83 percent accurate in finding any of the coronavirus variants in a room

Abigail Previlon, 13, takes part in online learning at home on October 28, 2020 in Stamford, Connecticut. At the time, Stamford Public Schools was using a hybrid educational model due to the Covid-19 pandemic.

What the Covid-19 Pandemic Revealed About Remote School

The unplanned experiment provided clear lessons on the value—and limitations—of online learning. Are educators listening?

A medical professional prepares a Covid-19 booster shot in Freeport, New York, on November 30, 2021.

Fall Covid-19 Boosters Should Target New Variants, FDA Advisers Say

The shots would no longer take aim at the virus's original strain, which experts say is not likely to return

Just because history is the most dangerous place to visit doesn’t mean you shouldn’t go. It’s also the most interesting. You just need a guide.

Could You Survive the Black Death, the Sack of Rome and Other Historical Catastrophes?

A new book advises readers how to successfully navigate deadly disasters of the past

Mountain goats roam the streets of Llandudno, Wales, in March 2020 during the Covid-19 lockdowns.

What Wild Animals Were Really Doing During Covid-19 Lockdowns

Researchers around the world traced mammals' movements and behaviors when fewer humans and cars were outside in spring 2020

The Charterhouse Warren site in Somerset, England, in 1972. Researchers detected the DNA of plague-causing bacteria in the 4,000-year-old remains of two people found there.

4,000-Year-Old DNA Is the Oldest Evidence of Plague in Britain

Scientists found DNA of the plague-causing bacteria in the teeth of three Bronze Age people buried at two different sites

Colorized scanning electron micrograph of a cell (green) infected with SARS-COV-2 virus particles (yellow), isolated from a patient sample.

Scientists Identify 12 Major Symptoms of Long Covid

The effort is a step toward accelerating research and finding treatments for the debilitating condition

Mitzi Avila, who owns Cookies and Chill bakery in Austin, Texas, made a dessert version of Thomas Glassford’s Siphonophora and Teresita Fernández’s Stacked Waters.

These Artworks Are Good Enough to Eat—Literally

The Blanton Museum in Austin asked bakers to create edible versions of pieces in its collection

A pharmacist delivers a Covid-19 booster shot in Chicago during a clinic for seniors.

When Should I Get Another Covid Booster?

Here’s what you need to know about getting your next vaccine

An analysis of genetic samples taken in 2020 from a market in Wuhan, China, found both the coronavirus and raccoon dog DNA.

Genetic Evidence Ties Covid's Origin to Raccoon Dogs

New data support the theory that the virus causing Covid-19 first spread to humans from animals

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