Volume 25, Number 3—March 2019
Research
Increased Risk for Invasive Group A Streptococcus Disease for Household Contacts of Scarlet Fever Cases, England, 2011–2016
Vicky Watts
, Sooria Balasegaram, Colin S. Brown, Suzanna Mathew, Rachel Mearkle, Derren Ready, Vanessa Saliba, and Theresa Lamagni
, Sooria Balasegaram, Colin S. Brown, Suzanna Mathew, Rachel Mearkle, Derren Ready, Vanessa Saliba, and Theresa Lamagni
Table 1
Characteristics of 11 iGAS case-patients within household clusters, England, 2011–2016*
| Characteristic |
No. case-patients | ||
|---|---|---|---|
| Total |
Male sex |
Female sex |
|
| Age, y | |||
| <1 | 2 | 1 | 1 |
| 1–18 | 2 | 0 | 2 |
| 19–50 | 6 | 3 | 3 |
| >75 | 1 | 1 | 0 |
| Total |
11 |
5 |
6 |
| Relationship to scarlet fever case-patient | |||
| Parent | 5 | 3 | 2 |
| Sibling | 4 | 1 | 3 |
| Unknown |
2 |
1 |
1 |
| Acute health conditions at time of diagnosis | |||
| Influenza A |
1 |
NR |
NR |
| Chronic health condition at time of diagnosis | |||
| Arthritis | 1 | NR | NR |
| Crohn’s disease | 1 | NR | NR |
| Premature birth | 1 | NR | NR |
| Diabetes | 1 | NR | NR |
| Atypical mycobacterial infection | 1 | NR | NR |
| Asplenia | 1 | NR | NR |
| Multiple unnamed conditions | 1 | NR | NR |
| No concurrent conditions |
6 |
NR |
NR |
| Died |
3 |
NR |
NR |
| Clinical manifestation | |||
| Sepsis | 5 | NR | NR |
| Cellulitis | 3 | NR | NR |
| Septic arthritis | 1 | NR | NR |
| Other invasive infection (unspecified) |
2 |
NR |
NR |
| iGAS emm typing | |||
| 1.0 | 4 | NR | NR |
| 4.0 | 1 | NR | NR |
| 12.0 | 1 | NR | NR |
| Untyped | 6 | NR | NR |
*iGAS, invasive group A Streptococcus infection; NR, not reported.
Page created: February 19, 2019
Page updated: February 19, 2019
Page reviewed: February 19, 2019
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