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I think they believe humans are machines that don't make mistakes. Even if the transmission was a touching of the face, the PPE should be used to prevent that.

Having a full hood would block that unconscious behavior. Protocols to dress and undress are more securely and safely accomplished when following a precise procedure with a partner system.

I see the problem during the periods of providing care. A single lapse in judgement is a death sentence. People are human and make mistakes. It is best to take that potential lapse (failure point) out of the equation by proper PPEs.

This allows the focus to be channeled to the decontamination and disrobing portion of the health care rounds, rather than the entire cycle. It is simple failure analysis. Reduce the potential points of failure.

I posted previously that one failure will cost over $550,000 in medical care and potential death. That money would be better spent on prevention and could provide 80,000 hours of protection for HCWS.

Reduce the potential points of failure.

Bingo!

Fatigue is a huge factor, tired people make little, stupid, and in this case possibly fatal mistakes.

Every possible point of failure should be eliminated, so long as that does not compromise the results.

Especially for those working with hazardous materials, K.I.S.S. is a principle to live by.