of protection or security if they all got a rapid test. >> reporter: dr. william schaffner is part of the advisory committee on immunization practices. >> i'm certainly disappointed and concerned that testing is not more widely available. >> reporter: number parts of the country, finding a test is extremely difficult. appointments are tough to get and over-the-counter rapid tests are selling out online and at pharmacies. dr. brook watts works with metro health in ohio. >> there isn't a rapid test to be found, and the pcr tests that are offered generally at testing sites, the wait period is productsly seven days. >> the alarm has been sounded on testing levels since early in the pandemic. >> i think that our testing failures is perhaps the greatest failure of this pandemic. in recent months they have tried to ramp up production and used the defense action team said