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Premunity is a term used to signify progressive development of immunity in individuals exposed to an infective agent[1] mainly belonging to protozoa and Rickettsia but not in viruses.[2] After the initial infection which generally occurs in childhood, the effect in subsequent infections is diminished. Infections threreafter may exhibit little or no symptomatology in spite of parasitemia. The next stage is resistance to infection altogether.

Loss of premunity is estimated to be the cause of rebound of malaria[3] in 1965 in India after the dramatic success of National Malaria Control Programme that was launched for rural India in 1953. It led to the Modified Plan of Operation (MPO) to be adopted.

Infections demonstrating premunity[edit]

See also[edit]


  1. ^ a b "Effects of impregnated bednets". Modelling group at the Department of Medical Biometry, University of Tübingen. Retrieved 18 January 2014. 
  2. ^ Seifert, Horst S. H. (1 January 1996). Tropical Animal Health. Springer. p. 150. ISBN 978-0-7923-3821-5. 
  3. ^ "Reports of Expert Committees to the Interim Commission". Official Records of the World Health Organisation No.8 (United Nations World Health Organisation). April 1948. 
  4. ^ Maegraith, BG (1973). "Malaria". Tropical Pathology. Spezielle pathologische Anatomie 8. pp. 319–349. doi:10.1007/978-3-662-00226-1_11. ISBN 978-3-662-00228-5. 
  5. ^ Shaw, Susan E.; Day, Michael J. (11 April 2005). Arthropod-borne Infectious Diseases of the Dog and Cat. Manson Publishing. p. 71. ISBN 978-1-84076-578-6. 
  6. ^ Hoyte, HMD (November 1961). "Initial Development of Infections with Babesia bigeminal*". The Journal of Protozoology 8 (4): 462–466. doi:10.1111/j.1550-7408.1961.tb01242.x. 
  7. ^ Duke, BO (1968). "Reinfections with Onchocerca volvulus in cured patients exposed to continuing transmission.". Bulletin of the World Health Organization 39 (2): 307–9. PMC 2554563. PMID 5303412. 
  8. ^ blaz (5 October 2009). "DETAILED THREAD ON CANKER TRICHOMONIASIS". Web link. copied from and citing Peters, Wim (1995). Fit to win : health, diagnosis and treatment in racing pigeons. Londin [sic]: Racing Pigeon. ISBN 0-85390-043-4. 

Further reading[edit]