San Francisco: In some bad news for a defiant Elon Musk, several Tesla workers at the Fremont (California) production facility that was reopened forcibly despite health warnings from the County have been tested corona positive.According to a report in The Washington Post, two workers with knowledge of the situation was quoted as saying that "supervisors held meetings with their teams to disclose the company had reported several cases of the coronavirus, and the employees affected were told to stay home".One of the workers said a supervisor confirmed two positive cases to a group at the Fremont-based seat assembly facility, the report added.US President Donald Trump last month backed Musk in his fight with the local authorities in California.