<prompt> Theory of the web of causation was given by?Mc Mohan and PughPettenkofferJohn snowLouis Pasteur  <response>: 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 