Sumas (SU); Oldman (OM); Grand (GR); South Nation (SN); Bras
d’Henri (BH).
a Among the top 13 disease-causing serovars in Canadians from
2005 to 2010 (NESP, 2010).
b Serovars detected once throughout the entire study, and unique
to a watershed.
c Samples were collected over two years; 500 mL of water were
filtered for each sample.
d Samples were collected over three years; 500 mL of water were
filtered for each sample.
e Samples were collected over six years; 1000 mL of water were
filtered for each sample.
f OM data presented is from Jokinen et al. (2011).