(laÉª) vb (intr) , lies, lying, lay (leÉª) or lain (leÉªn) 1. (often foll by down) to place oneself or be in a prostrate position, horizontal to the ground. 2. to be situated, esp on a horizontal surface: the pencil is lying on the desk; India lies to the south of Russia.
The Chief Public Health Officer (CPHO) is the federal government's lead public health professional. Speaking to Canadians, health professionals, stakeholders, and the public about issues affecting the population's health.
Dr. David Williams is currently the Interim Chief Medical Officer of Health for the province of Ontario. Dr. Williams returned to this position on July 1, 2015 having been the Medical Officer of Health for the Thunder Bay District Board of Health from October 2011 to June 30, 2015.