Health official says majority of Americans “remain susceptible” to COVID-19

Director of the U.S. Centers for Disease Control and Prevention(CDC) Robert Redfield (front) speaks during a press conference with members of the White House coronavirus task force in the White House in Washington D.C., the United States, on March 2, 2020. CDC announced Monday that there are currently 91 cases of COVID-19 in the country, up from just 60 cases a day ago. (Xinhua/Liu Jie)

Robert Redfield, director of the US Centers for Disease Control and Prevention (CDC), said on Wednesday that a majority of Americans remain susceptible to COVID-19.

“CDC is in the process of a very large, sequential study across the entire United States, measuring serology,” Redfield told the Senate Health Committee during a hearing. “The preliminary results on the first round show that a majority of our nation – more than 90% of the population – remains susceptible.”

“It varies in different geographic parts from states,” he

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