Correction to: BMC Infect Dis

https://doi.org/10.1186/s12879-019-4186-x

After publication of the original article [1], in Table 1, in the second and third column, “Vacnee” and “Non-vacnee” should be replaced with “Vaccinee” and “Non-vaccinee”.

The original article has been corrected.

The publisher apologies for the inconvenience.