[An outbreak of Q fever in The Netherlands--possible link to goats].

Le résumé fourni par la source

In 2007, 73 cases of Q fever were identified through reports and retrospective analyses; the affected region extended from Tilburg in the southwest to Arnhem in the northeast. The infections arose in late spring, particularly in May and June. Several spontaneous abortions due to Q fever occurred on 4 dairy goat farms in the same region. The national incidence of spontaneous abortion due to Q fever was 6 cases in 2006 and 7 in 2007. Climatically, this southern region was extraordinarily dry during April 2007. All pregnant women from a small region with the highest incidence in northeast North Brabant were called for diagnostic testing. Infected patients were followed for symptoms and ultrasound was performed as indicated. A definitive source of the infection could not yet be identified. Favourable climatic conditions were suspected as the cause for the combination of widespread dissemination among goats and transmission to humans. Q fever is a zoonosis caused by Coxiella burnetti, a microorganism dispersed in great numbers in the area in which an infected animal gives birth. C. burnetti is particularly resistant to chemical and physical factors and can disperse by air across large distances under dry climatic conditions. Q fever should be considered in patients in The Netherlands who present with lower airway infection and, in rare cases, hepatitis. Reporting atypical clusters ofpneumonia to the Municipal Health Service (GGD) is advisable. The GGD maintains close contact with Animal Health Services, which is aware of current infectious animal diseases. Targeted investigation can identify the source of infection and eliminate it. Greater awareness can prevent delays in diagnosis and treatment and help identify chronic forms at an early stage or prevent them.

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