RT Journal Article SR Electronic(1) A1 Twisselmann, B YR 2000 T1 Cluster of cases of viral meningitis caused by echovirus type 13 in Germany JF Weekly releases (1997–2007) VO 4 IS 40 SP 1515 OP DO https://doi.org/10.2807/esw.04.40.01515-en UL https://www.eurosurveillance.org/content/10.2807/esw.04.40.01515-en