Changes were made to this summary to match the health professional version.

Editorial changes were made and images were added to this summary.

This section describes the latest changes made to this summary as of the date above.

Erm sorry sorry to come back again to to this financial summary.

Several enhancements have been made to this summary to better explain certain medical concepts and to help readers find information about clinical trials.

Editorial changes were made to this summary.

This advice has been reviewed and reissued with editorial amendments to the Travel Summary.

This advice has been reviewed and reissued with an amendment to the Travel Summary (political demonstrations).

Images were added to this summary.

This advice has been reviewed and reissued an update to the Travel Summary (regional threat of kidnapping).