NadA nomenclature changes

The following changes have been made since the nomenclature scheme published by Bambini et al. 2009, Vaccine 27:2794-803.

Previous nomenclature New nomenclature
Variant Peptide Variant Peptide
1 1 1 1
2 1 2/3 2
2 2 2/3 3
2 3 2/3 4
2 4 2/3 5
2 5 2/3 6
3 1 2/3 7
3 2 2/3 8
3 3 2/3 9
5 1* 4/5 -
5 2* 4/5 -
5 3* 4/5 -