Table 1.

Frequencies of alloreactive memory T cells in different responder/stimulator combinations

	Responders
	3605	3805	4205	4305	3005	4005	3405	3905	4105	405	2504
Stimulators
105	281	2101	47	1279						593
405	305	2174	627	325
805	201	1494	165	439
3705	124	1719	402	177
5400					442	1333	707	144	395	117	144
6400					111	747	757	516	402	137	171
301					34	194	422	194	472	101	141
3501					372	456	968	462	720	238	305
5601					67	111	1139	124	546	221	174
5801					338	546	1300	573	392	278	302
7001					298	285	690	268	408	154	134
1502					64	439	573	456	436	469	281
2102					40	288	660	714	402	372	121
5602					67	171	235	248	221	121	291

The response of individual responders to a series of stimulators and conversely the response evoked in various responders by the same stimulator were measured. The numbers correspond to the frequencies of γIFN-producing cells per million of purified memory T cells.