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 ...
One thing we know for sure about SARS-CoV-2, the virus that causes COVID-19, is that it keeps changing. Since the start of the pandemic, we have seen several notable variants, including Alpha, Beta, ...
NEW YORK (WABC) -- The US hit the key milestone of vaccinating 50% of the total population against COVID-19 and nearly 60% of the eligible population, those 12 and older, are fully vaccinated. However ...