A survey of more than 4,000 researchers in the United States suggests that better coordination at an institutional and national level could make hundreds of thousands more tests for coronavirus available.The survey was  published on 9 April, revealing that several top university laboratories that have received regulatory approval to process tests for SARS-CoV-2 are operating at half their potential capacity.Testing is urgently needed. Hospitals continue to face delays in providing test results, and nursing homes, homeless shelters and other shared-living facilities report a lack...…A survey of more than 4,000 researchers in the United States suggests that better coordination at an institutional and national level could make hundreds of thousands more tests for coronavirus available.The survey was  published on 9 April, revealing that several top university laboratories that have received regulatory approval to process tests for SARS-CoV-2 are operating at half their potential capacity.Testing is urgently needed. Hospitals continue to face delays in providing test results, and nursing homes, homeless shelters and other shared-living facilities report a lack...WW…