Q Fever September 2009, Beijing 37 x 40.5 cm Acrylic color, watercolor, pencil, color pencil, ballpoint pen and felt-tip pen on paper i The image is from a Chinese cake. Q fever is a disease caused by infection with Coxiella burnetii,[1] a bacterium that affects both humans and animals. This organism is uncommon but may be found in cattle, sheep, goats and other domestic mammals, including cats and dogs. Q fever has been described as a possible biological weapon. Private collection, Berlin Tags: China, cake, fever, weapon 16 / 18