Invasive group A streptococcal disease: managing close contacts in community settings
InterimGuidelines guidelines for managing close community contacts inof cases of invasive group A streptococcal (iGAS) disease.disease, Includesincluding flow diagram.diagrams.
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This publication is to help health professionals manage cases of invasive group A streptococcal (iGAS) disease.
Risk information for close community contacts of cases of iGAS infection is also available.
Previous guidance was published by Public Health England.
Last updated
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Changed to using diagnosis date (definition included) instead of onset date to define close contacts and the 10-day post-exposure period. Clarified actions required within 10 days of exposure and for the 30-day surveillance period, and that actions should be undertaken for both confirmed and probable cases. Added Clarithromycin as a second line choice for chemoprophylaxis.
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Corrected algorithm 4.
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Updated guidance.
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First published.
Update history
2025-09-05 12:29
Added ‘Illustrated factsheet 2. Invasive group A streptococcal infection (iGAS) – information for people who inject drugs or are experiencing homelessness’.
2023-03-07 16:39
Updated information on risk assessment in nurseries, schools and other childcare settings (section 4.1).
2023-03-02 10:24
Changed to using diagnosis date (definition included) instead of onset date to define close contacts and the 10-day post-exposure period. Clarified actions required within 10 days of exposure and for the 30-day surveillance period, and that actions should be undertaken for both confirmed and probable cases. Added Clarithromycin as a second line choice for chemoprophylaxis.
2022-12-15 15:42
Corrected algorithm 4.
2022-12-15 10:01
Updated guidance.