The quality of chimpanzee T cell activation and SIV/HIV susceptibility achieved via antibody-mediated TCR/CD3 stimulation is a function of the anti-CD3 antibody isotype 5

A network service system capable of providing economical services comprises a plurality of host computers connected to a network for providing services through the network and an information processing terminal connected to the network. The information processing terminal identifies a service identifier, provided in a storage medium for network service, for identifying a type of a network service when the storage medium is attached, connects the line to the host computer which corresponds to the identified service identifier and receives the network service from the line-connected host computer.