NEW HAVEN, Conn. - A new saliva-based laboratory diagnostic test for the novel coronavirus developed by researchers at Yale University's School of Public Health has been granted an emergency use authorization by the Food and Drug Administration.SalivaDirect is a simple, affordable, and less invasive testing method that has been found to yield similar outcomes to the traditional nasal swab test.“This is a huge step forward to make testing more accessible,” said Chantal Vogels, a Yale postdoctoral fellow, who led the laboratory development and validation along with Doug Brackney, an adjunct assistant clinical professor. “This started off as an idea in our lab soon after we found saliva to be a promising sample type of the detection of.