Public Health - As introduced, limits the governor's declaration of a state of emergency or issuance of an executive order in response to a public health emergency to no more than 15 days; requires the approval of the speaker of the senate and the speaker of the house of representatives for the declaration or order to become effective; requires a joint resolution of the general assembly to authorize an extension. - Amends TCA Title 4; Title 8 and Title 58, Chapter 2.