Table 2.

Parameter estimates for model of effect of HI titre on reduction of virus production in undiluted nasal wash.

Quantiles	Parameter estimate
	α	β	γ	σ
2.5%	6.62	0.54	4.76	0.89
50%	7.31	0.85	4.98	1.01
97.5%	7.83	1.00	5.07	1.06