Correction to: Nature Microbiology https://doi.org/10.1038/s41564-018-0273-9, published online 26 November 2018.

In the version of Supplementary Fig. 5a originally published with this Letter, the authors mistakenly duplicated images of LAMP1 staining in place of CD63 staining; this has now been amended to the correct version shown below.

Supplementary Fig. 5a
figure 5

Orginal and Corrected.