How the delta variant took over the US

How the delta variant took over the US The delta variant has overtaken the U.S. in a matter of weeks as it spreads around the world in what President Biden’s chief medical adviser Anthony Fauci called a “global outbreak” of the strain. Justine Coleman TheHill

The highly contagious variant of COVID-19 is considered at least two times more contagious than the previously dominant alpha strain, and experts say the increased transmissibility has likely fueled the surge in COVID-19 cases, hospitalizations and deaths nationwide. . . Studies have found that at least five vaccines, including all three used in the U.S., are effective against the delta variant in lab and real-world settings. . . Although there’s a growing number of studies, not all scientists are certain that the variant itself necessarily causes more serious illness among the unvaccinated, leading to more hospitalizations and deaths. It’s also unclear whether the strain is sparking more severe illness among children as pediatric hospital admissions have picked up.