Table 2.

Relationship between the age at infection and development of viremia in chicks and ducklings infected with Japanese encephalitis virus

Bird	Variable	Days of age when inoculated with virus
		2	5	7	10	14	21	28	42
Chicks	No. tested	6	6	6	6	6	5	5	5
	No. viremic	6	6	5	6	6	3	3	1
	Proportion viremic	1.00	1.00	0.83	1.00	1.00	0.60	0.60	0.20
Ducklings	No. tested	6	6	6	6	6	6	6	6
	No. viremic	6	6	6	5	6	5	3	3
	Proportion viremic	1.00	1.00	1.00	0.83	1.00	0.83	0.50	0.50