| Literature DB >> 8446095 |
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Abstract
During November 1992, cases of pertussis among students in Massachusetts and Maryland were reported to the respective state health departments. This report summarizes the investigation of and approaches to controlling these outbreaks.Mesh:
Year: 1993 PMID: 8446095
Source DB: PubMed Journal: MMWR Morb Mortal Wkly Rep ISSN: 0149-2195 Impact factor: 17.586