
The sentence confused two forms: immune to and immunised against. Having edited it, I have also delinked the sentences I couldn't verify as being equivalent.

I wonder if "immune against" is really wrong. There are lots of examples on the Internet.
Tibzimin
Sken-d akk ticraḍAḍris n tefyar
Turagt: CC BY 2.0 FRAmeslaw
Aɣmis
Mazal ur nezmir ara ad nzeṛ ma yella tafyirt-agi tettwakkes-d deg tazwara seg tsuqilt neɣ ala.
icudd-itt iɛeggal arussin, azemz arussin
yerna-t uɛeggal arussin, azemz arussin
icudd-itt TRANG, 2 Ɣuct 2009
icudd-itt Dejo, 1 Tubeṛ 2010
icudd-itt duran, 7 Ctembeṛ 2011
yekkes-as acuddu Cainntear, 27 Duǧembeṛ 2016
yekkes-as acuddu Cainntear, 27 Duǧembeṛ 2016
yekkes-as acuddu Cainntear, 27 Duǧembeṛ 2016
yessuffeɣ-it-id Cainntear, 27 Duǧembeṛ 2016
icudd-itt soliloquist, 25 Ctembeṛ 2018
icudd-itt soliloquist, 25 Ctembeṛ 2018