nprnews_____ = ||| lubuntu at wor2 670N|||The Dangerous Delta Variant Of The Coronavirus Could Dominate In U.S. Within Weeks||| kickerpage = |||no kicker pagenpr for NPRNEWS||| summarynpr = |||More contagious than other variants, and maybe more likely to cause severe disease, Delta is spreading so fast it could cause yet another U.S. surge this summer or fall, according to new research.