President Joe Biden will end his COVID isolation in Rehoboth Beach, Delaware, and is expected to return to the White House Tuesday afternoon.

ABC News' medical correspondent Dr. Darien Sutton breaks down the latest medical news, including two studies on pregnancy making headlines.

The White House said it will provide regular updates on the president's status "as he continues to carry out the full duties of the office while in isolation."

President Joe Biden did not wear a face mask in public a couple of times after the White House announced he had tested positive for COVID-19

Vice President Kamala Harris said, "You cannot claim you stand for unity if you are pushing an agenda that deprives Americans of rights."

ABC News medical contributor Dr. Jessica Shepard shares a new study that found no increased risk of major birth defects attributed to a first-trimester COVID infection or vaccination.

An inquiry into the U.K. government's response to COVID-19 found it was ill-prepared for a pandemic and serious errors in planning failed its citizens

President Joe Biden has put his campaign on hold after his diagnosis and amid heightened concerns around his health, with a growing number of Democrats urging him to step aside as the party nominee.

The EU general court says the European Commission did not allow the public enough access to information about COVID-19 vaccine purchase agreements it secured with pharmaceutical companies during the pandemic

Amid an expected "bump" in summer COVID-19 cases, data indicates the southern and western U.S. are seeing the largest increases.

Colorado Governor Jared Polis appeared on ABC's "This Week" Sunday.

Emhoff was at the White House a few days ago to celebrate Independence Day with Harris, President Joe Biden and first lady Jill Biden.

Second gentleman Doug Emhoff is asymptomatic and continuing to work remotely, his office said.

Diamond 'Blue' Smith exclusively speaks out about his 12-month prison sentence after pleading guilty to conspiracy to commit wire fraud connected to covid relief loans.

Experts are looking into possible learning delays in babies and toddlers.

This week, the National Institutes of Health began testing an experimental COVID-19 vaccine.

A NIH-sponsored clinical trial has begun testing a nasal COVID-19 vaccine. Here's what you need to know about the possible next generation of shots.

The dean of the Brown University School of Public Health shares what to know to stay safe amid a summer wave of COVID-19 cases and the new strain circulating.

Dr. Anthony Fauci said he never considered resigning, despite death threats and backlash from White House advisers over his handling of the pandemic.

ABC News’ medical correspondent Dr. Darien Sutton reports on the rising number of COVID cases across the country. Plus, safety advice while handling fireworks.

Five people have been charged in connection with an alleged plot to bribe a juror with $120,000 cash during a federal trial over pandemic relief fraud.

U.S. health officials are keeping an eye on the so-called “flirt” variants as the U.K. sees a rise in COVID hospitalizations.

Dr. Fauci discusses advising Former President Trump during the height of the pandemic, serving under seven presidents as NIAID director.

Early indicators show COVID-19 cases may be increasing across the U.S. this summer. Experts say this is why you shouldn't be concerned.

Wastewater data from the western U.S. showed an increase in viral activity in the past month.

ABC News' Elizabeth Schulze speaks with author Peter Goodman about his book "How the World Ran Out of Everything."

A Washington Post story documented how getting a diagnosis of long COVID in communities of color can be particularly challenging.

Former New York Gov. Andrew Cuomo will testify behind closed doors on Capitol Hill about his COVID response, including his highly scrutinized handling of nursing homes.

A new article found that aggressive, late-stage cancers have seen an uptick following the pandemic. Is COVID to blame? Dr. Darien Sutton explains.

The former director of the National Institute of Allergy and Infectious Diseases defended actions the agency took and recommended amid the COVID-19 pandemic.

Dr. Fauci, the former top U.S. infectious disease expert, appeared before Congress to dismiss Republican claims that he tried to cover up the origins of the COVID-19 pandemic as "simply preposterous."

Dr. Anthony Fauci sat before Congress as he faces scrutiny from House Republicans over his response to the COVID-19 pandemic and its origins.

Former National Institute of Allergy and Infectious Diseases director Dr. Anthony Fauci voluntarily testified about the government’s response to the COVID-19 pandemic.

House Republicans grilled Dr. Anthony Fauci at a hearing on Monday as they continue to scrutinize his COVID-19 response and examine theories of the virus's origin.

Dr. Anthony Fauci, former director of the National Institute of Allergy and Infectious Diseases, testifies before the House Oversight Committee.

Dr. Anthony Fauci is set to publicly testify on Capitol Hill for the first time in two years in what's expected to be a fiery hearing led by House Republicans. ABC News' Alison Kosik reports.

House Republicans are poised to grill Dr. Anthony Fauci at a hearing as they continue to scrutinize his COVID-19 response and examine theories of the virus's origin.

Disabled North Carolina residents say a mask ban that is under consideration in the state legislature would make it harder for them to access parts of their communities.

State Sen. Sydney Batch describes the battle over anti-masking legislation in North Carolina.

The proposed bill was spurred in part due to protests against the war in Gaza on college campuses.

A new offshoot of omicron, KP.2, has become the dominant variant in the U.S. Experts are predicting the country may see a mild "swell" of cases this summer.

Weekly COVID hospitalizations have hit their lowest level ever reported since the pandemic began, according to data from the Centers for Disease Control and Prevention.

Theo Huot de Saint-Albin was just 9 when he first contracted COVID-19 in 2020.

A new CDC report published early Thursday found U.S. life expectancy rose in 2022 after two years of declines and following a drop in COVID deaths.

Millions of Americans are still experiencing long COVID more than four years since the global COVID-19 outbreak was declared a pandemic.

Four years after the WHO declared the COVID-19 outbreak to be a pandemic, researchers say much is still not understood about a common complication: long COVID.

Monday marks the 4-year anniversary of the WHO declaring the COVID global outbreak to be a pandemic. Here's a look at the virus in the U.S. by the numbers.

Monday marks the 4-year anniversary of the World Health Organization declaring the COVID outbreak a pandemic. ABC News takes a look back at some of the key moments.

Paxlovid has been shown to reduce the risk of severe COVID in high-risk patients, but those who could most benefit from the drug aren't getting it.