MMWR Surveillance Summary: Past Volume (1989)

The CDC Surveillance Summaries provide a means for CDC programs to disseminate surveillance findings, permitting detailed interpretation of trends and patterns based on those findings.

December 1, 1989 / Vol. 38 / No. SS-3


September 1, 1989 / Vol. 38 / No. SS-2


August 1, 1989 / Vol. 38 / No. SS-1