Health care workers across the country have to wear personal protective equipment, or PPE, for hours on end. As you can imagine, it can get a little uncomfortable.

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The Centers for Disease Control and Prevention is revising new protocols for healthcare workers caring for Ebola patients. The guidelines are expected to be much more strict.

Nurses' groups are speaking out, saying their hospitals and staff are not prepared to handle Ebola patients. They sent a letter asking President Obama to use his executive authority - and mandate uniform hospital standards.