What is the perie model in public health?

P.e.r.i.e: problem- The p.e.r.i.e process that explains what is the problem

the p.e.r.i.e: etiology- the p.e.r.i.e process that explains what is/are contributory cause(s)

the p.e.r.i.e: recommendations- the p.e.r.i.e process that explains what works to reduce the health impacts

the p.e.r.i.e: implementation- the p.e.r.i.e process that explains how can we get the job done