Iran Press/America: The number of confirmed cases is expected to rise significantly because there has been a major backlog in testing. So some people with coronavirus might not even know it.
"We have very little access to testing," Carlos Del Rio, a professor of medicine and global health at Emory University, said Wednesday.
"I think the lack of access to testing continues to be a barrier to taking care of patients efficiently and rapidly."
Vice President Mike Pence said Monday that another 4 million tests would be available by the end of the week. He said that's on top of at least 1 million tests already in place across the country.
But US Health and Human Services Secretary Alex Azar said his department didn't know how many people have been tested.
"We don't know exactly how many, because hundreds of thousands of our tests have gone out to private labs and hospitals that currently do not report" to the US Centers for Disease Control and Prevention, Azar said.
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