Abstract
Puumala hantavirus infection is prevalent throughout most of Europe, and in endemic areas it may be the most common cause of acute renal failure. To evaluate trends in incidence of Puumala virus infections in Finland, we analysed national surveillance data in 12-month periods from March 1995 to February 2002. During this time, 8184 laboratory-confirmed cases were notified to the National Infectious Disease Register. Three epidemic periods were identified, for which the number of cases was more than 1400 (there were approximately 600-900 cases per non-epidemic period). The incidence of Puumala hantavirus infection varied by geographic region during the study period, and the overall number of cases may be increasing.
Highlights
L ’infection à hantavirus Puumala provoque une fièvre hémorragique de forme modérée avecPuumala hantavirus infection causes a mild form of haemorrhagic fever with renal synun syndrome rénal (1–5)
Since 1995, all Finnish microbiology laboratories notify to the National Infectious Disease Register (NIDR) at the National Public Health Institute in Helsinki all laboratory-confirmed diagnoses of Puumala virus infection
The periods under study could be investigated as epidemic or non-epidemic periods
Summary
L ’infection à hantavirus Puumala (néphropathie épidémique) provoque une fièvre hémorragique de forme modérée avec. Puumala hantavirus infection (nephropathia epidemica) causes a mild form of haemorrhagic fever with renal synun syndrome rénal (1–5). Elle est prévalente en Europe, particuliè- drome (1–5), and is prevalent throughout Europe, rement en Finlande et en Scandinavie. Onset of symptoms (such des symptômes est soudaine, incluant fièvre, douleurs abdomi- as fever, abdominal pain, headache, back pain and/or gasnales, céphalées, myalgies et/ou symptômes gastro-intestinaux (5). Ces infections peuvent représenter la may be the most common cause of acute renal failure and 5%. Cause la plus fréquente d’insuffisance rénale, pouvant conduire à of hospitalised patients may have renal function impaired enough une dialyse dans 5% des cas hospitalisés.
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