Rotavirus and the Indigenous Children of the Australian Outback: Monovalent Vaccine Effective in a High‐Burden Setting
Author(s) -
Tom Snelling,
Rosalie Schultz,
Julie Graham,
Robert Roseby,
Graeme Barnes,
Ross Andrews,
Jonathan R. Carapetis
Publication year - 2009
Publication title -
clinical infectious diseases
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.44
H-Index - 336
eISSN - 1537-6591
pISSN - 1058-4838
DOI - 10.1086/600395
Subject(s) - medicine , rotavirus vaccine , rotavirus , outbreak , rotavirus gastroenteritis , confidence interval , vaccination , pediatrics , indigenous , virology , vaccine efficacy , reoviridae , environmental health , virus , ecology , biology
Indigenous children living in arid Central Australia experience frequent outbreaks of rotavirus gastroenteritis. A widespread outbreak of G9 rotavirus infection occurred several months after introduction of the RIX4414 rotavirus vaccine. We performed a retrospective case-control study to determine vaccine efficacy during the outbreak. Two doses provided an estimated vaccine efficacy of 77.7% (95% confidence interval, 40.2%-91.7%) against hospitalization for gastroenteritis. Vaccine efficacy was 84.5% (95% confidence interval, 23.4%-96.9%) against confirmed cases of rotavirus infection. Vaccination was effective in this high-burden setting.
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