Queensland typhoid cluster linked to twelve-year carriage of Salmonella Typhi

Marguerite Dalmau, Shuo Meng Song, Megan Young, Stephen Lambert, Rikki Graham, Gino Micalizzi, Emma Field, Robert Bell, Amy V. Jennison, Russell Stafford

    Research output: Contribution to journalArticlepeer-review


    In September 2021, a household cluster of three typhoid cases was investigated by Queensland public health authorities. Through case interviews and molecular typing, the investigation revealed chronic carriage of Salmonella Typhi persisting at least 12 years in the index case. This case report summarises the investigation and highlights the complexity of chronic pathogen carriage in the control and management of typhoid disease. Our findings raise considerations for prevention and treatment guidelines in Australia and demonstrate the beneficial role of molecular typing for complex case investigations.

    Original languageEnglish
    JournalCommunicable diseases intelligence (2018)
    Publication statusPublished - 19 May 2022


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