Sir,

We are grateful to Monnet et al.1 for their thoughts on our review2 of the public's knowledge and beliefs about antibiotic resistance. As they acknowledged, we did not search the grey literature. The studies they provide from the grey literature are important. We are encouraged to note that, similar to three European studies (Greece 88%,3 Austria 74%4 and Portugal 72%5) in our review, 83%–84% of those surveyed across 27 European countries were aware that ‘unnecessary use of antibiotics is making them become ineffective’.

Transparency declarations

This work was supported by a National Health and Medical Research Council of Australia Centre for Research Excellence Award (1044904). T. C. H. also held a grant from the National Health and Medical Research Council of Australia (1033038) during the conduct of the study for research unrelated to this project. T. C. H. received royalties from Elsevier and C. B. D. M. received royalties from BMJ Books and Elsevier, for activities unrelated to the submitted work. All authors: nothing further to declare.

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