Is COVID-19 even subject to herd immunity?

simon2579/iStockBy DR. JAY BHATT and PARAG DEVEN PARIKH, ABC News(NEW YORK) — On June 26, Dr. Anthony Fauci announced it’s “unlikely” that a COVID-19 vaccine with 70-75% efficacy taken by two-thirds of Americans can provide herd immunity

Democratic Senate challengers boosting efforts to flip chamber

uschools/iStockBy BENJAMIN SIEGEL, KENDALL KARSON and MEG CUNNINGHAM, ABC News (WASHINGTON) — Democratic Senate candidates from Arizona to South Carolina raised tens of millions of dollars in the second quarter for campaigns to unseat Republican senators, adding