Why The Delta Variant Is So Contagious: A New Study Sheds Light : Goats and Soda : NPR

New research from China suggests people infected with the delta variant have, on average, about 1,000 times more virus in their respiratory tracts than those infected with the original strain.

Source: Why The Delta Variant Is So Contagious: A New Study Sheds Light : Goats and Soda : NPR