Table 2.

Fitted exponential equation parameters for viral shedding dynamics and relationship of viral shedding and symptom scores

	k1 (mean ± s.e.)	k2 (mean ± s.e.)	r2
Viral shedding dynamics*
	4·41 ± 0·69	0·31 ± 0·10	0·80
Viral shedding – symptom scores†
Systemic	0·01 ± 0·01	7·10 ± 1·74	0·93
Upper respiratory	0·45 ± 0·07	0·62 ± 0·34	0·54
Lower respiratory	0·73 ± 0·02	0·02 ± 0·07	0·03
Total	1·34 ± 0·12	0·61 ± 0·19	0·77

^*Exponential function: V(t) = k₁exp[−k₂t].

^†Exponential function: SS(V) = k₁exp[k₂log(V)].