About the Authors

Philip C. Hill

To whom correspondence should be addressed. E-mail: phill@mrc.gm

Affiliation Bacterial Diseases Programme, Medical Research Council Unit, Banjul, The Gambia

David J. Jeffries

Affiliation Bacterial Diseases Programme, Medical Research Council Unit, Banjul, The Gambia

Roger H. Brookes

Affiliation Bacterial Diseases Programme, Medical Research Council Unit, Banjul, The Gambia

Annette Fox

Affiliation Bacterial Diseases Programme, Medical Research Council Unit, Banjul, The Gambia

Dolly Jackson-Sillah

Affiliation Bacterial Diseases Programme, Medical Research Council Unit, Banjul, The Gambia

Moses D. Lugos

Affiliation Bacterial Diseases Programme, Medical Research Council Unit, Banjul, The Gambia

Simon A. Donkor

Affiliation Bacterial Diseases Programme, Medical Research Council Unit, Banjul, The Gambia

Bouke C. de Jong

Affiliation Bacterial Diseases Programme, Medical Research Council Unit, Banjul, The Gambia

Tumani Corrah

Affiliation Bacterial Diseases Programme, Medical Research Council Unit, Banjul, The Gambia

Richard A. Adegbola

Affiliation Bacterial Diseases Programme, Medical Research Council Unit, Banjul, The Gambia

Keith P. McAdam

Affiliation Bacterial Diseases Programme, Medical Research Council Unit, Banjul, The Gambia

Competing Interests

Roger Brookes has a patent relating to ex vivo ELISPOT licensed through Oxford University. There are no other conflicts of interest.

Author Contributions

Conceived and designed the experiments: RB DJ PH AF RA KM TC DJ. Performed the experiments: RB AF ML RA DJ Bd. Analyzed the data: DJ PH AF ML SD. Wrote the paper: DJ PH.