The case heads next to the 15 judges on the appeals court.

Health care workers in Hawaii say a lack of government action is worsening an already crippling surge of coronavirus cases in the islands, and without effective policy changes the state’s limited hospitals could face a grim crisis

Dr. Jen Ashton answers viewers’ questions about the coronavirus.

Dr. Jen Ashton has details about what the WHO calls a “variant of interest.”

Intensive care beds are full of unvaccinated coronavirus patients.

A group of parents of disabled students has filed a federal lawsuit seeking to strike down Iowa’s law banning schools from requiring masks, arguing it endangers their health and denies equal access to education

As the delta variant continues to spread, CDC director Dr. Rochelle Walensky said the CDC does “not recommend traveling” over the long weekend for anyone who is currently unvaccinated.

DeSantis has appealed a ruling that he exceeded his authority.

Experts weigh in on what we know now about the delta variant and more.

How exactly did the delta variant evolve into the highly infectious strain that the world is now struggling to contain? Scientists have a few theories.

As students return for a third school year affected by the pandemic, trauma and grief support are top of mind to address the wide-reaching impacts of the crisis.

Dr. Jen Ashton answers the latest questions from “GMA3” viewers.

Adolfo Garcia-Sastre, Ph.D., details how the coronavirus variants mutate inside the human body.

Meanwhile, podcast host Joe Rogan has tested positive for COVID-19. ABC News' Andrew Dymburt reports.

Two Tennessee school districts have announced temporarily closures due to COVID-19 cases.

After Peter Dario lost his father and grandfather in the same week, he started buying plants and eventually opened a plant store in their honor.

Dr. Jen Ashton talks about childhood hospitalization rates, risk of death and more.

Florida’s Department of Education announced it would sanction school boards in two counties with school mask mandates.

How McDonald's is prepared to implement changes in its dining rooms with the recent surge of COVID-19 Delta variant spreading.

Nearly 900 Americans are dying of COVID-19 every day, but vaccination rates are on the rise.

More than 101,000 people are currently hospitalized with COVID-19, with 300 children being admitted to the hospital with the virus each day.

The COVID-19 surge is stretching oxygen supplies tight.

The Rev. Jesse Jackson and his wife Jacqueline Jackson are battling COVID-19. The family says Jacqueline Jackson has been moved out of the Intensive Care Unit, but is still receiving oxygen.

Plus, mask mandate battles rage as students go back to school, and vaccination rates increase after FDA approval of the Pfizer vaccine.

A Central Texas school district is closing its schools after two teachers died.

Dr. Jen Ashton answers viewers’ questions about nutrition and the coronavirus.

Dr. Jen Ashton sets the record straight about the use of the unproven and potentially dangerous drug used in veterinary medicine.

Plus, the CDC says it is seeing a slight drop in vaccine efficacy when it comes to preventing hospitalization.

Venice's place in the history of pandemics is the backdrop for the festival.

The U.S. Department of Education has launched a civil rights investigation into five states where Republican governors have made it illegal for school districts to require students to wear masks.

The Education Department has launched civil rights investigations into five states that have barred masking mandates, alleging governors are creating unsafe spaces.

The civil rights investigation is looking into the five states that barred mask mandates for schools. There were nearly 204,000 new child COVID-19 cases reported last week as kids head back to class.

U.S. Secretary of Education Miguel Cardona talks about an investigation into five states on whether mask mandate bans constitute civil rights violations for students.

The U.S. Education Secretary called it "unacceptable."

An Iowa woman has amended her lawsuit over the state's ban on mandatory face masks in schools to include allegations the law violates state and federal constitutional protections

Dr. Jen Ashton answers viewers’ health and COVID-19 questions.

The European Union has recommended that its 27 nations reinstate restrictions on tourists from the U.S. because of rising coronavirus infections there, but EU nations can still allow fully vaccinated U.S. travelers in if they want

A top-ranking Roman Catholic cardinal says he will soon begin rehabilitation after contracting COVID-19

"We’ve learned a lot since 2005."

He died from COVID-19, one month after being admitted to the emergency room.

Martha Raddatz interviews Dr. Anthony Fauci on "This Week."

Summer tourism has exceeded even the most optimistic expectations in Croatia this year

The COVID-19 death toll is climbing so rapidly in Oregon counties can't keep up.

Overall hospitalizations are up 541% in two months nationwide.

Health officials across have linked 178 virus cases to the Sturgis Rally.

In at least 14 states, lawsuits have been filed for or against masks in schools.

Attorney Areva Martin talks to "GMA" about the rights of kids in the classroom as the delta variant continues to surge.

Outbreaks in schools are putting a renewed spotlight on mask mandates and CDC recommendations.

The latest report is the highest single-day total of COVID-19 deaths since March. In the last month, all 50 states are now reporting high community transmission.