Masks work, but needs to be disinfected when you get home. (Using steam. Microwave, a plate of water, mask above the water, 3 minutes is the minimum with steam

Masks work, but needs to be disinfected when you get home. (Using steam. Microwave, a plate of water, mask above the water, 3 minutes is the minimum with steam bags, so let's try 10 minutes without bag.)