The presentation of cases and preliminary epidemiologic data suggested a common source outbreak
or toxic exposure, and a concerted effort was made to rule out possible infectious etiologies.
It was sudden onset, common source outbreak
of epidemic dropsy in Dholkhakhara village of Panchmahal district.
Epidemic curve with single peak and moderate duration of about one month is suggestive of the common source outbreak
of disease with incubation period of approximately 15 days to one month, which is a similar requisite for typhoid (11).
The nucleotide sequence homologies of the protease 3C region among the 14 Korean isolates of CA24v were high (98.1% to 100%), consistent with a common source outbreak
. The phylogenetic analysis showed that the Korean isolates of CA24v clustered together into a distinct lineage (Figure).
Typhimurium database since 1998, providing additional evidence that this cluster potentially represented a common source outbreak
Common source outbreak
of relapsing fever-California.
Objectives include developing and maintaining EWGLINET, enhancing the capability within the EU to detect common source outbreaks
early, enabling member states to implement timely preventive action, informing all those that need to know about travel associated Legionnaires' disease to promote primary preventive action and collaborative investigations, and providing a dedicated website for enhancing EWGLI's information resource.
Common source outbreaks
of Campylobacter infection in the USA, 1997-2008.
While many reports claim that most listeriosis cases are sporadic (2-4,7), our data show that a considerable proportion of human listeriosis cases represent subtype clusters, some or all of which may represent common source outbreaks
. Such clusters may have also occurred before 1997 and in other states and countries.