An Australian company that clinched the first US clearance for its at-home Covid-19 test kit has collapsed into liquidation after a sale to a competitor fell through. Covid-19 test maker Ellume Ltd.’s ...

On Friday, the Food and Drug Administration issued an emergency authorization for the first at-home test that can detect flu and Covid-19 — but for the test’s maker, Lucira, the long-anticipated ...

Cue Health, the once high-flying San Diego biotech supplying rapid COVID-19 test kits to the NBA and Google, is laying off all employees and shutting down on Friday. Cue’s closure comes a week after ...