CDI Editorial Team. Erratum: Who gives pertussis to infants? Source of infection for laboratory confirmed cases less than 12 months of age during an epidemic, Sydney, 2009. Commun Dis Intell (2018) [Internet]. 2019 May 15 [cited 2026 Apr. 22];43. Available from: https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/638