absolute rubbish no way do this story connect to anything resemble reality . it a hotch potch of unfinished idea and the most absurd plot line imaginable the patient not inject be the one who end up infect . suddenly 5 people be shot and kill just like that . at the begin the patient on the ward be cackle then suddenly they stop . there have be some great movie make with the mental home theme but this isn not one of them . i think it can not be me do anyone else understand this junk . it either too damn clever for it own good in which case it enough to give your brain a hernia or perhaps it me who mental .