Table 2.

Experimental design

Age group and no.	Infection dose, TCID50	Infection route	Days at Reinfection	Reinfection dose, TCID50	Reinfection route	Days at Necropsy
Young
#001	1 × 106	IT, IN	56	1 × 105	IT	70
#002	1 × 106	IT, IN	—			14
#008	1 × 106	IT, IN	—			7
#012	1 × 106	IT, IN	112	1 × 106	IT	140
#003	1 × 105	IT	—			14
Elderly
#004	1 × 106	IT, IN	56	1 × 105	IT	70
#007	1 × 106	IT, IN	56	1 × 106	IT	63
#009	1 × 106	IT, IN	—			10
#013	1 × 106	IT, IN	—			14
#014	1 × 106	IT, IN	—			7