Table 1.

Results from routine pediatric laboratory testing (Calgary Laboratory Services); 01/01/2012 – 31/12/2012

Calgary Laboratory Services	# Performed	% Positive
Viral testing (Rotavirus only)	1541	10 %
Bacterial testing	3472	6 %
Parasite testing	3230	9 %
Clostridium difficile testing	2071	12 %
Totals	10,314	8.7 %

Viruses, responsible for 70–90 % of AGE, were only identified in 10 % of samples. The most common tests – bacterial culture and parasite microscopy, had the lowest rates of positivity