… in and around Onion Lake First Nation following two people contracting a … chief of the Onion Lake First Nation that said both patients … a letter to Onion Lake First Nation regarding two cases of Diphtheria … out to the Onion Lake First Nation but did not hear …… in and around Onion Lake First Nation following two people contracting a … chief of the Onion Lake First Nation that said both patients … a letter to Onion Lake First Nation regarding two cases of Diphtheria … out to the Onion Lake First Nation but did not hear …