Federal regulators are allowing hospitals and other laboratories to develop their own tests for the coronavirus in an effort to relieve what critics say is a shortage of testing for the virus. The urgency for testing is growing as health officials report several new coronavirus cases in the United States and the country’s first death — a man in his 50s from Washington state.The new policy unveiled on Saturday by the U.S. Food and Drug Administration (FDA), follows criticism that a lack of testing has allowed the virus to spread undetected.”It’s going to be really useful for greatly expanding the number of places that can do the tests,” said Jennifer Nuzzo, a senior scholar at the Johns Hopkins Center for Health Security. Hospitals have been sending samples to the U.S. Centers for Disease Control and Prevention (CDC) in Atlanta for testing. Getting results takes 48 hours.Problems with CDC testThe CDC had …