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BACKGROUND The risk of venous thrombosis is approximately 2- to 4-fold increased after air travel, but the absolute risk is unknown. The objective of this study was to assess the absolute risk of venous thrombosis after air travel. METHODS AND FINDINGS We conducted a cohort study among employees of large international companies and organisations, who were(More)
BACKGROUND This study aimed to determine the knowledge, attitudes, and practices of Swiss business travelers with regard to influenza and the use of antiviral medication. METHODS Questionnaires, available in three languages, were distributed manually and online through companies, organizations, and travel medicine specialists in Switzerland to business(More)
In a prospective study on the aetiology of liver disease and its diagnostic approach in a District hospital in rural Tanzania, 48 consecutive patients with evidence of liver disorders were investigated by physical examination, biochemical tests, laparoscopy and histology. Liver cirrhosis (posthepatic, alcoholic) was found in 31%; non cirrhotic alcoholic(More)
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