Different states have different statues, many (maybe most?) exclude communicable diseases. Even in states without that restriction you’d be burdened by showing

Different states have different statues, many (maybe most?) exclude communicable diseases. Even in states without that restriction you’d be burdened by showing the disease came from someone at work. On the other hand if you could show negligence on behalf of an employer facilitating the spread of COVID19 massive lawsuits would mediate the shutdown of the U.S. economy.