Table 4.

Spearman's rank correlation (ρ) between IAV and RSV RNA (GC/L) in wastewater and number of cases per week in the corresponding WWTP catchment.

WWTP	IAV	RSV
WWTP A	n = 7	n = 9
	ρ = 0.61	ρ = 0.39
	p = 0.17	p = 0.30
WWTP B	n = 9	n = 9
	ρ = 0.37	ρ = 0.58
	p = 0.34	p = 0.11
WWTP C	n = 6	n = 4
	ρ = 0.60	ρ = 0.40
	p = 0.24	p = 0.75
WWTP D	n = 8	n = 10
	ρ = 0.76	ρ = 0.95
	p = 0.03	p < 0.01
All WWTPs	n = 30	n = 32
	ρ = 0.60	ρ = 0.53
	p < 0.01	p < 0.01