Tumour necrosis factor and interferon-gamma are required in host resistance against virulent Rhodococcus equi infection in mice: cytokine production depends on the virulence levels of R. equi

citoquinas corynebacterium equi cytokine cytokines experimental infection immune response in vivo experimentation interferon interferonas interferons interleukine interleukins interleuquinas mice pathogenicity patogenicidad rhodococcus equi souris tumour necrosis factor virulence