Maintenance: Thursday, 21 September 2017, 18h00-18h30
Maintenance work on the ZORA servers is provided. There may be short interruptions in the service between 18:00 and 18:30. Thank you for your patience.
Nickel, C H; Stephan, F P; Dangel, M; Blume, K; Gehrisch, R; Dumoulin, A; Tschudin, S; Keller, D I; Hirsch, H H; Widmer, A F; Bingisser, R (2009). First wave of the influenza A/H1N1v pandemic in Switzerland. Swiss Medical Weekly, 139(51-52):731-737.