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Year : 2007  |  Volume : 25  |  Issue : 1  |  Page : 72

Human thelaziasis in India

Regional Medical Research Centre, Dibrugarh - 786001, Assam, India

Date of Submission20-Apr-2006
Date of Acceptance09-Jun-2006

Correspondence Address:
A M Khan
Regional Medical Research Centre, Dibrugarh - 786001, Assam
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0255-0857.31070

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How to cite this article:
Khan A M. Human thelaziasis in India. Indian J Med Microbiol 2007;25:72

How to cite this URL:
Khan A M. Human thelaziasis in India. Indian J Med Microbiol [serial online] 2007 [cited 2020 Dec 3];25:72. Available from:

Dear Editor,

Thelazic de Rhodes name given to Thelazia, by Bosc Taurus[1] commonly known as eye worm or Oriental worm was first described by Johannes Rhodes in 1676.[2] In India, published literature reveals five cases of human thelaziasis[3],[4],[5],[6] Human case reported by Sharma et al.[7] is the fifth report from India instead of the second as stated in the abstract column of the report. However, literature available on the prevalence of thelaziasis endorses the assumption of the authors that high occurrence of disease has been reported from tropical areas having hilly and foot hill terrains.

Northeastern region of India, which comprises of eight sister states has mountainous and foothill terrains. Heavy and long monsoon with favorable temperature range throughout the year provide ideal home for a variety of insects that play major role as vector of communicable diseases of medical and veterinary importance. The topography of the areas of Assam and its adjoining states are akin to Himachal Pradesh. Therefore, high prevalence of infections like thelaziasis may not be ruled out from both the areas. In fact, as speculated by the authors, a systematic survey of farm animals and pets from these areas for Thelazia parasite and vector (face fly?) will shed some light on the problem of thelaziasis in India.

 ~ References Top

1.Bosc C. Rapport sur un nouveau genre de vers intestinaux, etc (Cited from Lee, R.D. and W.E. Parmelee, 1958). J de Physiq Chim Hist Nat 1819; 88 :214-5..  Back to cited text no. 1    
2.Faust EC. Thelazia infection of man and animals in China. Trans Roy Soc Trop Med Hyg 1927; 20 :365-9.  Back to cited text no. 2    
3.Friedmann M. Thelazia callipaeda, the "Oriental Eye worm" Antiseptic 1948; 45 :620-6. (Cited from Lee, R.D. and W.E. Parmelee, 1958).  Back to cited text no. 3    
4.Mukherjee PK, Verma S, Agrawal S. Intra ocular Thelazia: A case report. Indian J Ophthalmol 1978; 25 :41-2.  Back to cited text no. 4  [PUBMED]  
5.Singh TS, Singh KN. Thelaziasis : Report of two cases. Br J Ophthalmol 1993; 7 :528-9.  Back to cited text no. 5    
6.Mahanta J, Alger J, Bordoloi P. Eye infestation with Thelazia species. Indian J Ophthalmol 1996; 44 :99-101.  Back to cited text no. 6  [PUBMED]  [FULLTEXT]
7.Sharma A, Pandey M, Sharma V, Kanga A, Gupta ML. A case of human thelaziasis from Himachal Pradesh. Indian J Med Microbiol 2006; 24 :67-9.  Back to cited text no. 7  [PUBMED]  [FULLTEXT]


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