Where does this definition of protective immunity come from?
This entry for protective immunity is sourced from GetWord Corpus, one of the dictionaries and corpora merged into Lughet.
Does protective immunity appear elsewhere on Lughet?
Yes — protective immunity appears under other sources or language pairs in Lughet's collection. See the list below.
What is Lughet?
Lughet is a free trilingual dictionary covering nearly five million entries across Uyghur, Chinese, and English, drawn from more than ten source dictionaries and corpora.