ha: Hepatitis A in Berlin
Description
Number of Hepatitis A cases among adult male (age>18) in
  Berlin 2001-2006. An increase is seen during 2006Usage
data("ha")
data("ha.sts")format
ha is a disProg object containing $290\times 12$
  observations starting from week 1 in 2001 to week 30 in 2006.
  ha.sts is generated from ha by the converter function
  disProg2sts using a shape file of Berlin, see the Example given
  in the help file for class "sts".source
Robert Koch-Institut: SurvStat: http://www3.rki.de/SurvStat;
Queried on 25 August 2006.
Robert Koch Institut, Epidemiologisches Bulletin 33/2006, p.290.