As more U.S. states find Omicron cases, Delta remains nation’s top coronavirus threat – Reuters

As more U.S. states find Omicron cases, Delta remains nation’s top coronavirus threat – Reuters

WASHINGTON, Dec 3 (Reuters) - The Delta variant is still Americans' leading coronavirus health threat even as more U.S. states reported cases of the Omicron strain on Friday amid concern that winter and holidays may further the spread, experts said.

While Omicron has been grabbing headlines as the newest coronavirus variant, the predominant U.S. strain remains the Delta variant, said U.S. Centers for Disease Control (CDC) and Prevention Director Rochelle Walensky at a White House briefing.

Scientists are investigating the impact of the highly contagious Omicron coronavirus strain, with some questioning whether it may cause milder illness than its predecessors, including the Delta variant. read more