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Volume 26, Number 6—June 2020
Research

Invasive Group B Streptococcus Infections in Adults, England, 2015–2016

Simon M. CollinComments to Author , Nandini Shetty, and Theresa Lamagni
Author affiliations: National Infection Service, Public Health England, London, UK

Main Article

Table 1

Numbers of patients and episodes of iGBS infection among adults in England, 2015–2016*

Age, y
No. iGBS episodes
No. patients
Male sex, no. (%)
No. (%) patients with >2 iGBS episodes†
No. (%) iGBS episodes per patient
Annual iGBS incidence‡
1
2
>3
15–19 21 21 7 (33.3) 0 (0.0) 21 (100.0) 0 0 0.33
20–29 241 230 27 (11.7) 3 (1.3) 227 (98.7) 2 (0.9) 1 (0.4) 1.63
30–39 388 376 58 (15.4) 2 (0.5) 374 (99.5) 2 (0.5) 0 2.66
40–49 277 261 128 (49.0) 3 (1.1) 258 (98.9) 2 (0.8) 1 (0.4) 1.87
50–59 363 334 205 (61.4) 13 (3.9) 321 (96.1) 9 (2.7) 4 (1.2) 2.50
60–69 493 466 278 (59.7) 11 (2.4) 455 (97.6) 8 (1.7) 3 (0.6) 4.13
70–79 565 533 304 (57.0) 18 (3.4) 515 (96.6) 17 (3.2) 1 (0.2) 6.76
>80
808
772
357 (46.2)
22 (2.8)
750 (97.2)
18 (2.3)
4 (0.5)
15.1
Total 3,156 2,993 1,364 (45.6) 72 (2.4) 2,921 (97.6) 58 (1.9) 14 (0.5) 3.48

*iGBS, invasive group B Streptococcus.
†Recurrent iGBS episodes detected during Jan 1, 2015–Dec 31, 2016 based on iGBS episodes for which patient’s NHS number was recorded in PHE laboratory surveillance system (3084/3156 episodes)
‡Per 100,000 population. Numerator = iGBS episodes/2; denominator = Office for National Statistics mid-2016 population estimates for England (http://www.ons.gov.uk/peoplepopulationandcommunity/populationandmigration/populationestimates/datasets/populationestimatesforukenglandandwalesscotlandandnorthernireland)

Main Article

Page created: May 18, 2020
Page updated: May 18, 2020
Page reviewed: May 18, 2020
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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