Over the course of the Covid-19 pandemic, the US’ testing strategy has failed over and over again to provide an accurate picture of how fast and how far the disease is spreading. State and city officials are often left flying blind, not knowing how bad things are until hospital beds start filling up. The evidence of those failures is visible in the more than 180,000 Americans who’ve died so far. And if the chaos of the past week is any indication, the nation’s top public health officials are no closer to having a coordinated testing plan than they were eight months ago.
On Monday, officials from the US Centers for Disease Control quietly revised their testing guidance to advise