Funding for this research was provided by:
Japan Society for the Promotion of Science (24390403, 18H02905, 15H05008)
Article History
Received: 16 December 2019
Accepted: 13 January 2020
First Online: 28 January 2020
Ethics approval and consent to participate
: Not applicable.
: Not applicable.
: TS has a patent for immunization with PcrV from the Regent of the University of California (Berkeley, CA, USA). All other authors declare that they have no competing interests.