With nearly all others, however, the cancer cells fight back successfully and even co-opt immune cells to aid their growth.

FORBES: Magazine Article

These bacteria also support the immune system, and aid the creation of B-vitamins.

CNN: Vital Signs health tips

Tory MP Sir Edward Garnier - a former solicitor general - said legal aid should not be immune from widespread cuts.

BBC: UK

Foreign aid workers are not immune.

BBC: Viewpoint: Pakistan civil society under threat