Influenza A(H1N1)pdm09 antibodies after pandemic and trivalent seasonal influenza vaccination as well as natural infection in November 2010 in Hamburg, Germany
Cramer, J P and Mac, T and Hogan, B and Stauga, S and Eberhardt, S and Wichmann, O and Mertens, T and Burchard, G D, Eurosurveillance, 17, 20052 (2012), https://doi.org/10.2807/ese.17.02.20052-en