she was in the e.r. when a third test came back positive. she had to be airlifted to another hospital. it's not just local testing sites that are facing challenges. the federal government has been dogged by testing failures since the start of the pandemic, and today dr. anthony fauci signaling a shift in strategy. >> what we're gonna do and we are doing, and you're going to be hearing about this, you know, working, so now flooding the area of a community to get a feel for what's out there, particularly among the asymptomatics. >> reporter: fauci telling "the washington post" they're looking into testing a group of people using just one test. it's called pool testing. it casts a wide net, and if results come back positive, each person would then be tested individually. >> pooling would give us the capacity to go from a half a million tests a day to potentially 5 million individuals tested per day. >> reporter: cecilia, scientists tell us we're in the midst of a public health failure