GC: n

S: WHO – http://www.who.int/bulletin/volumes/86/2/07-040089/en/ (last access: 4 June 2015); CDC – http://www.cdc.gov/vaccines/vac-gen/immunity-types.htm (last access: 4 June 2015).

N: 1. late 14c., “exempt from service or obligation,” from Old French immunité and directly from Latin immunitatem (nominative immunitas) “exemption from performing public service or charge,” from immunis “exempt, free,” from assimilated form of in- “not, opposite of” + munis “performing services”, from PIE moi-n-es-, suffixed form of root mei- “to change”. Medical sense “protection from disease” is 1879, from French or German.
2. (Science: immunology) The condition of being immune, the protection against infectious disease conferred either by the immune response generated by immunisation or previous infection or by other nonimmunologic factors.
3. Collocations:
– protection against disease:

• Adj. strong | acquired, natural.
• Verb + immunity: have | lack | acquire, build up, develop | stimulate | boost | lower.
• Immunity + verb: develop.
• Prep.: ~ against/to The newcomers lacked immunity against local strains of the disease.

– protection from danger/punishment:

• Adj.: complete, total | effective | diplomatic, legal, parliamentary | public interest.
• Verb + immunity: enjoy | claim, seek | confer, give sb, grant (sb), guarantee (sb), provide | abolish, lift, strip sb of | lose.
• Prep.: ~ from Unions were granted immunity from prosecution for non-violent acts.

S: 1. OED – http://www.etymonline.com/index.php?term=immunity (last access: 4 June 2015). 2. https://www.biology-online.org/dictionary/Immunity (last access: 4 June 2015). 3. http://oxforddictionary.so8848.com/search?word=immunity (last access: 4 June 2015).

SYN:
S:

CR: coronavirus, herd immunity, immune system, immunization, vaccination, vaccination campaign, vaccine, virus.