Table 1. Features of outbreak group A Streptococcus type emm66 cases, England and Wales, 5 January–29 December 2016 (n = 27).
Total cases | n |
---|---|
Demographics and risk factorsa | |
Male | 22 |
Median age (range) in years | 38 (29–56) |
Homeless at time of illness onset | 20 |
Street homeless at time of illness onset | 13 |
People who inject drugs | 20 |
Problematic alcohol use | 6 |
Initial clinical presentation | |
Abscess | 7 |
Injection site infection | 6 |
Septic arthritis | 3 |
Bacteraemia | 3 |
Muscle or deep tissue infection | 3 |
Cellulitis | 2 |
Unspecified soft tissue infection | 1 |
Necrotising fasciitis | 1 |
Pneumonia | 1 |
Diagnosis, outcomes and co-infectiona | |
Invasive GAS infection | 20 |
Non-invasive GAS infection (including three severe infections) | 7 |
Hospitalisation | 21 |
Amputation | 1 |
Died due to GAS infection | 1 |
Previously tested positive for hepatitis C | 15 |
Previously tested positive for hepatitis B | 1 |
GAS: group A Streptococcus.
a More than one answer could be chosen.