The Deputy Chief Medical Officer (DCMO) Public Health – is overall responsible for the Directorate. He is the approval authority for the stand-up and stand-down of the PH NEOC for response Levels 2 & 3. The CMO is also the Chairman of the Public Health Emergency Management Committee which provides EM strategy and guidance to the PHNEOC. When the ONS’ Situation Room and the National Strategic Security Group are activated, the Chief Medical Officer represents the MoHS to the Gold Level regarding public health information.