1. 
   rickettsias
   [n] - rod-shaped microorganisms resembling both bacteria and viruses
   Found op http://www.webdictionary.co.uk/definition.php?query=rickettsias
   
   
2. 
   rickettsias
   Obligate intracellular parasites which cause a variety of disease, including typhus and Rocky Mountain spotted fever. ... (09 Oct 1997) ...
   Found op http://www.mondofacto.com/facts/dictionary?rickettsias
   
   
3. 
   rickettsias
   1) Eubacteria 2) Eubacterium 3) True bacteria
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/rickettsias/1
   
   

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