- Mice lacking interleukin-2 (IL-2)/IL-15 receptor beta chain are susceptible to infection with avirulent Salmonella enterica subsp. enterica serovar choleraesuis but mice lacking IL-2 are resistant. Nishimura, H., Tagaya, M., Tsunobuchi, H., Suzuki, H., Nakashima, I., Yoshikai, Y. Infect. Immun. (2001)