From that link..

"The premier said authorities have worked through the night to provide essential services including food, drug and alcohol support, mental health services and support for those with pre-existing health conditions to all residents."

so I do hope they don't expect anyone to have to go cold turkey.  Shoppong is supposedly gooing to be done for them so no one should question a need for cigs or moderate alcohol.  Now is not the time to start weaning people from addictions particularly  in those awful conditions.