The delta variant now accounts for more than 83 percent of new Covid-19 cases, Dr. Rochelle Walensky, director of the Centers for Disease Control and Prevention, said Tuesday. Walensky spoke during a ...

WASHINGTON - The delta variant of the coronavirus now accounts for an estimated 83% of COVID-19 cases in the United States as it continues to surge largely among unvaccinated populations, officials ...

The delta variant is fueling the COVID-19 surge in the United States, but experts warn that a more dangerous variant could emerge if more Americans don't get vaccinated. Delta is the most recent of ...

Health experts in North Carolina say getting vaccinated is critical to protecting yourself against the highly contagious Delta variant. The coronavirus mutation is roughly 66% more infectious than ...

Differing strains of the coronavirus continue to appear around the world and a new COVID-19 variant, the so-called "Delta" variant, has health experts concerned. The variant, otherwise known as B.1617 ...

The delta variant of SARS-CoV-2, the virus that causes COVID-19, has been making headlines as it has quickly become the most prevalent strain in America. But other variants of the virus are still out ...

Moderna on Tuesday released preliminary data indicating its vaccine is likely to hold up against several variants of concern, including the Delta variant, which is predicted to become the dominant ...