<prompt> WER stands forWorld epidemiological recordWeekly epidemiological recordWorld epidemic recordWeekly environmental record  <response>: An impoant activity of WHO is epidemiological surveillance of communicable disease. WHO collects and disseminates epidemiological information on diseases subject to International health regulations and occasionally other communicable diseases of international impoance through an Automatic Telex Reply service ATRS and the Weekly epidemiological record WERPark 23e pg: 920 