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Volume 19, Number 4—April 2013
CME ACTIVITY - Research

Serotype IV and Invasive Group B Streptococcus Disease in Neonates, Minnesota, USA, 2000–20101

Patricia FerrieriComments to Author , Ruth Lynfield, Roberta Creti, and Aurea E. Flores
Author affiliations: University of Minnesota Medical School, Minneapolis, Minnesota, USA (P. Ferrieri, A.E. Flores); Minnesota Department of Health, St. Paul, Minnesota, USA (R. Lynfield); Istituto Superiore di Sanità, Rome, Italy (R. Creti)

Main Article

Table 1

Distribution of GBS invasive disease in infants by isolate source and age of infant at time of culture, Minnesota, USA, 2000–2010*

Culture source No. infants with GBS invasive disease†
 Total
Early onset Late onset
7–89 90–180 >181
Blood 251 142 10 3 406
Cerebrospinal fluid 4 37 1 1 43
Other sites‡
 2
 1
 1
 0
 4
All 257 180 12 4 453

*GBS, group B Streptococcus.
†No. isolates studied were 1 per infant (n = 453). Early-onset is birth–6 days. Late-onset categories (age in days at time of culture): classical (7–89); delayed (90–180); ultra (>181; not included in analyses).
‡Other sites, normally sterile: 1 bone, 1 joint, 2 tissues (1 liver, 1 lung).

Main Article

1This work was presented in part at the XVIII Lancefield International Symposium on Streptococci and Streptococcal Diseases, September 4–8, 2011, Palermo, Italy.

Page created: March 14, 2013
Page updated: March 14, 2013
Page reviewed: March 14, 2013
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