. 2015 Sep 24;10(9):e0139173. doi: 10.1371/journal.pone.0139173
© 2015 Zhu et al
This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.
Fig 2. Number of reported rubella cases by age group.
