RT Journal Article SR Electronic(1) A1 Twisselmann, B YR 2001 T1 Memorandum of Understanding between European Commission and WHO highlights infectious disease surveillance in the EU JF Weekly releases (1997–2007) VO 5 IS 23 SP 1738 OP DO https://doi.org/10.2807/esw.05.23.01738-en UL https://www.eurosurveillance.org/content/10.2807/esw.05.23.01738-en