Publications des scientifiques de l'IRD

Eldin C., Angelakis E., Renvoise A., Raoult Didier. (2013). Coxiella burnetii DNA, but not viable bacteria, in dairy products in France. American Journal of Tropical Medicine and Hygiene, 88 (4), p. 765-769. ISSN 0002-9637.

Titre du document
Coxiella burnetii DNA, but not viable bacteria, in dairy products in France
Année de publication
2013
Type de document
Article référencé dans le Web of Science WOS:000317024700027
Auteurs
Eldin C., Angelakis E., Renvoise A., Raoult Didier
Source
American Journal of Tropical Medicine and Hygiene, 2013, 88 (4), p. 765-769 ISSN 0002-9637
Transmission by the oral route of Coxiella burnetii is controversial. Our objective was to evaluate dairy products in the transmission of Q fever. Pasteurized, unpasteurized, and thermized dairy products were tested for C. burnetii by using a quantitative polymerase chain reaction specific for IS1111 and IS30A spacers, culturing in human embryonic lung fibroblasts cells, and inoculation into BALB/c mice. We tested 201 products and C. burnetii was identified in 64%. Cow milk origin products were more frequently positive than goat or ewe products (P = 0.006 and P = 0.0001, respectively), and industrial food was more frequently positive than artisanal food (P < 0.0001). Food made from unpasteurized milk contained higher bacteria concentrations than food made from pasteurized milk (P = 0.02). All cultures were negative and mice did not show signs of illness. Farm animals are highly infected in France but consumption of cheese and yogurt does not seem to pose a public health risk for transmission of Q fever.
Plan de classement
Entomologie médicale / Parasitologie / Virologie [052] ; Nutrition, alimentation [054] ; Biotechnologies [084]
Description Géographique
FRANCE
Localisation
Fonds IRD
Identifiant IRD
PAR00010416
Contact