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, ...
More than half of adults living in Essex County are vaccinated against COVID-19, but with the highly infectious Delta variant now the dominant strain of the virus in the U.S., local health officials ...