Theory of the web of causation was given by?: (A) Mc Mohan and Pugh, (B) Pettenkoffer, (C) John snow, (D) Louis Pasteur
Answer is A. ANSWER: (A) Mc Mohan and Pugh REF: Park 20th edition page 32 Repeat from December 2010 "The web of causation theory was given by MC Mohan and Pugh" It is based upon the epidemiological triad of: Agent Host Environment