The Affordable Care Act turned 10 last month and is credited with helping 20 million more Americans get health insurance than before the law was enacted. But the coronavirus pandemic could be the first true test of how well "Obamacare" works at preventing significant coverage loss, experts say. For people stricken with COVID-19, the disease caused by the coronavirus, coverage through the ACA could mean the difference between financial stability and bankruptcy that could cause lingering hardship long after the pandemic ends, industry experts say.