Employers grappling with COVID-19's impact on the workplace may soon be forced to make another tough decision after months of agonizing over layoffs, furloughs and the right strategies to keep their businesses afloat during the pandemic. The next challenge? Should they require workers to take vaccines?Some companies concerned about liability issues, health and safety may need to decide whether to force their employees to get vaccinated if they want to continue working or return to the office, experts say.