Health & Science

Symptoms of common colds, the flu and COVID-19 can overlap, so experts say testing is the best way to determine what you have.

Recent research indicates these nasal swab tests may be less sensitive to the coronavirus’ omicron variant in the earliest days of infection.

The quality of the test depends on the person using it, experts say. Yet some counties find the information useful for seeing the bigger picture.

The Philadelphia school district has struggled to keep schools open and staffed during a record-high surge of COVID cases.

Millions of workers whose jobs don’t provide paid sick days are having to choose between their health and their paycheck as omicron rages across the nation.

Considered the most powerful telescope in space, It will still be five months before NASA can start receiving its images.

The strike team will be available for seven days or longer as Meadowview Nursing and Rehabilitation Center deals with omicron.

"We have to rethink like, 'What are we doing here?' We're chasing milder disease," said Dr. David Rubin.

Gino’s Ristorante & Pizzeria is shut until further notice, the county says. Eleven cases of the viral liver infection are being investigated.

Since mid-December, the hospitalization rate in these youngest kids has surged to more than 4 in 100,000 children, up from 2.5 per 100,000.

Pennsylvania has begun to organize “strike teams” of extra workers for hospitals and nursing homes struggling with surging COVID-19-related caseloads and staffing shortages.

Governors across the U.S. took sweeping action during earlier surges of COVID-19, but are taking a much different approach during the record-setting omicron outbreak.

The two-dose Moderna vaccine is open to Americans 18 and older.

Pop-up clinics and low-tech sign-ups provided a road map for equitable mass vaccination. Now, the health system is planning for what’s next.