Changes in Britain's National Health Service have led many British hospitals to end on-site laundry services for thei...

yassmenaraim on September 14, 2021

Why was the answer not B?

I understand why E works, it was actually my instinctive choice. However, if the staff develops immunity - does that not matter? Sort of confused with this one.

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Emil-Kunkin on June 21, 2023

Hi, the argument is that it will not be a danger to patients. The fact that staff are immune, but possibly still able to infect others, doesn't have much to do with patients getting the disease.