im·mu·ni·ty

/ıˈmjuːnəti/ noun

1 medical : the power to keep yourself from being affected by a disease — usually + to

[noncount]

They have developed immunity to the virus.

[singular]

They have developed an immunity to the virus.

2 [noncount] : special protection from what is required for most people by law

— usually + from

He was granted immunity from prosecution.

see also ↑diplomatic immunity