The U.S. public health system is ill-prepared to offer tests to American citizens for coronavirus, according to a report by U.S. website Politico.

Citing Robert Redfield, the director of The Centers for Disease Control and Prevention (CDC), Politico reported that the shortage is “threatening to delay coronavirus test results and cause officials to undercount the number of Americans with the virus.”

Redfield told Politico that he is not confident that the labs have adequate supplies to extract genetic material from any virus in a patient’s sample, a crucial step in coronavirus testing.

“The availability of those reagents is obviously

Read more: US health system unprepared for coronavirus: CDC