Table 1. Quantitation of TNF-α, IP-10 and RANTES in culture supernatants from infected macrophages collected at different post-infection time points.

Virus	TNF-α (pg/ml)			IP-10 (pg/ml)			RANTES (pg/ml)
	Time of postinfection			Time of postinfection			Time of postinfection
	3 hr	6 hr	8 hr	3 hr	6 hr	8 hr	3 hr	6 hr	8 hr
MOCK	U	U	U	U	U	U	1	4	U
WSN	U	U	28	U	U	U	2	11	44
MAMM	U	769	1032	U	75	123	U	100	167
AMMM	U	U	U	U	U	U	4	17	24
Indo5	U	143	391	U	U	128	1	36	106

U: undetectable.