From: Diversity of SCCmec elements and spa types in South African Staphylococcus aureus mecA-positive blood culture isolates
Year
No. of different spa types
No. of novel spa types
2010
18
2
2011
29
7
2012
15
4
2013
11
0
2014
21
10
2015
23
6
2016
19
5
2017
22