As millions prepare to gather for Thanksgiving, and cases of respiratory viruses tick up across the U.S., experts reveal how to stay safe and healthy over the holidays.

The federal government is once again allowing households to order a fresh wave of four COVID-19 tests for free online.

Experts continue to stress that current vaccination is one of the most important factors in reducing the spread of respiratory disease.

A former chief scientific adviser says Boris Johnson struggled as British prime minister to come to grips with much of the science during the coronavirus pandemic

The influx of tests comes as health officials prepare for an increase of cases around the holidays.

Starting Monday, every household can order another round of at-home COVID tests for free from covidtests.gov

As influenza surges in seven states, health officials said they fear that infections of flu, covid and RSV may rise as Americans gather for the holidays.

A Texas town was facing a serious problem with low teacher rosters, but its administrators found some successful solutions that tackled the problem.

Newly released survey data from the CDC shows 36 million American adults, about 13.9% of the U.S. adult population, has received the updated COVID vaccine.

Rep. Brad Wenstrup said he'd be stepping down to spend more time with family.

With respiratory virus season again upon us, here's the latest to know about COVID and flu vaccines, including what's available and who's eligible.

Pfizer lost more than $2 billion in the third quarter as an expected COVID-19 product sales decline clipped revenue

Older adults who got a COVID booster and a high-dose version of the flu vaccine together may have an increased risk of stroke, according to a new FDA-funded study.

Long COVID raises awareness of many other infectious diseases that are associated with post-viral illness, including infectious mononucleosis and Lyme disease.

A new CDC report published Tuesday found health care workers are experiencing worse mental health since the COVID pandemic and it's reaching "crisis levels."

Moderna announced the first participant has been dosed in the company's phase 3 clinical trial of its combination flu and COVID vaccine.

He has mild symptoms, royal officials say.

People with long COVID have lower levels of serotonin in their bodies than people who contract the infection, according to a new study and ABC News chief medical correspondent Dr. Jen Ashton explains.

A new CDC study found people with HIV were more likely to be reinfected with COVID than those without HIV.

Decreased levels of serotonin in the body may be a contributing factor in the development and persistence of long COVID, according to a new study.

Shares of Pfizer are falling before the opening bell as the company cut its full-year outlook, citing declining sales of its COVID-19-related products

Now there is a concern over how the conflict in the Middle East will impact the uncertainty of the economy's recovery.

Florida will provide COVID-19 data to the public again.

The best time to take an at-home COVID-19 test may be on the fourth day of having symptoms, according to a new study.

A Florida family who claimed they had a "miracle" cure for COVID-19 that contained a toxic bleach were sentenced to federal prison on Friday.

More than 4 million Americans have been vaccinated with the newest COVID shot as of Thursday, putting the uptake about equal to that of the vaccine rolled out last fall.

A new report from the CDC published Thursday found older adults have made up two-thirds of all COVID-19 hospitalizations in 2023 but few received an updated booster.

The once-critical white COVID-19 vaccination cards are being phased out

After weeks of COVID hospitalizations increasing, experts say the summer peak might finally be over.

Britain's inquiry into the response to the coronavirus pandemic and its impact on the nation has entered the second phase with political decision-making taking center stage

A recent study shows that at-home COVID-19 tests are most accurate on the fourth day of symptoms and ABC News medical correspondent Dr. Darien Sutton explains.

Two scientists have won the Nobel Prize in medicine for discoveries that enabled the creation of mRNA vaccines against COVID-19 and that could be used to develop other shots in the future

The federal government recently relaunched its website to get free at-home COVID tests. Here's how to order them.

The latest poll conducted by the KFF COVID-19 Vaccine Monitor found that nearly half of all adults in the U.S. plan to get the newly recommended COVID-19 vaccine.

Scientists say some tests may be able to identify the markers of prolonged COVID symptoms in the future.

"I knew we were being irresponsible," the former Trump White House aide says of the 2020 Trump campaign rally in Tulsa, Oklahoma.

Long COVID affected 6.9% of adults in the U.S., according to new figures from the Centers for Disease Control and Prevention.

Two new CDC reports, published Tuesday, found that 6.9% of adults and 1.5% of children have had long COVID in the U.S.

Gatwick Airport, London’s second-busiest, is limiting flights this week, partly because of an outbreak of COVID-19 within air traffic control

As COVID hospitalizations continue to tick up in the U.S., staff say they have been able to handle it by using the lessons they learned throughout the pandemic.

Americans are able to order the tests at CovidTests.Gov beginning Monday.

Immunity wanes after anywhere from 3-6 months, experts say.

Hospital staff say lessons learned have made them better prepared.

Plus, our panel discusses who's buying the booster shots, and Sen. Bob Menendez's corruption case.

The Biden administration says the website COVID.gov is set to launch Monday.

With COVID cases and hospitalizations rising, here's a guide to everything you need to know about symptoms, testing, treatments and vaccines.

This year’s respiratory virus season is set to be a repeat of last year’s, with COVID-19, RSV and influenza impacting the health care system at the same time, per the CDC

An updated vaccine is being rolled out to protect against newer variants.

Florida has the highest proportion of counties recording "moderate" COVID hospitalization levels in the U.S. Experts explain why the state is seeing so many cases.