The coronavirus pandemic is an unexpected challenge for many employers and for workers. As this article from the Australian Broadcasting Corporation shows, there is confusion about the rights and duties of both parties at work.
Larry acted under his duty to not put himself at harm by raising his concern to his employer. The employer should have already determined that the workplace is safe and without risks to health and implemented control measures to reduce the risk of cross-infection. Guidance on how to do this has existed for several weeks.