pertussis outbreak in an amish community--kent county, delaware, september 2004-february 2005.vaccine-preventable disease outbreaks continue to occur among undervaccinated populations in the united states, including contained religious communities. the amish practice separation from the world through group solidarity and caring for their own. amish religious doctrine does not prohibit vaccination; however, coverage levels for routine childhood vaccination remain low in many amish communities. this report describes an outbreak of pertussis in an amish community in kent county, delaware, d ...200616888610
analysis of bordetella pertussis isolates from an epidemic by pulsed-field gel electrophoresis.we examined genetic variation among 78 clinical isolates of bordetella pertussis, including 54 strains recovered during a 1986 pertussis epidemic. a total of 16 pulsed-field gel electrophoresis (pfge) profiles, generated with each of three different enzymes (xbai, spei, and drai), were obtained from the epidemic and sporadic isolates included in the study. indistinguishable profiles were seen among strains unrelated temporally or geographically, as well as among strains isolated sporadically fro ...19958586677
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