Included Studies.

aCountry = Country from which sporadic diarrhea cases were identified;
bTotal = Total number of isolates analyzed;
cYear = Year specimen collection initiated.
dWhen the year in which specimen collection began was not specified, publication year used;
eDuration = Length of specimen collection period in months;
fAge in years, “Mixed” indicates specimens collected from both children and adults;
gCatchment indicates the size of the collection area,
hPoint = a single collection point (e.g. single hospital or clinic);
iSerotypes Tested = number of serotypes included in the panel of screening sera used in each study. A number of studies screened for C. coli serotypes in addition to those for C. jejuni. Therefore, the number of serotypes screened for may exceed the 35 C. jejuni serotypes enumerated in this review. Abbreviations: CAR = Central African Republic, UAE = United Arab Emirates, UK = United Kingdom, USA = United States of America; NS = Not Specified.