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Occurrence of leptospirosis among suspected cases in Chennai, Tamil Nadu.
Indian J Pathol Microbiol. 2011 Jan-Mar; 54(1):100-2.IJ

Abstract

OBJECTIVE

To evaluate the serological profile of leptospirosis by microscopic agglutination test (MAT) and dark field microscopy (DFM) and to determine the serovar prevalence rate among patients with pyrexia of unknown origin.

MATERIALS AND METHODS

A total of 3830 blood samples were received from different hospitals and laboratories in and around Chennai. They were screened for leptospirosis by MAT and direct observation of live Leptospira by DFM.

RESULTS

A total of 748 (19.5%) Leptospira positive cases were identified; among these, 36.76% were Leptospira australis, 30% were Leptospira canicola, 14.57% were Leptospira autumnalis, 12% were Leptospira icterohaemorrhagiae, 4.68% were Leptospira patoc and 1.87% were Leptospira grippotyposa. Patients were in the age group of 1-86 years, with a median age of 43.5 years. 50% positive cases were in the age group of 10-35 years. Majority of the Leptospira infected cases were males (62.98%) than females (37.02%).

CONCLUSION

Leptospirosis occurs in Chennai throughout the year although the number and positivity of cases increased during the monsoon season.

Authors+Show Affiliations

Department of Experimental Medicine, TN Dr. MGR Medical University, Chennai, Guindy, Tamil Nadu, India.No affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

21393887

Citation

Arumugam, Ganesan, et al. "Occurrence of Leptospirosis Among Suspected Cases in Chennai, Tamil Nadu." Indian Journal of Pathology & Microbiology, vol. 54, no. 1, 2011, pp. 100-2.
Arumugam G, Jacob SM, Anitha D, et al. Occurrence of leptospirosis among suspected cases in Chennai, Tamil Nadu. Indian J Pathol Microbiol. 2011;54(1):100-2.
Arumugam, G., Jacob, S. M., Anitha, D., & Rajappa, S. M. (2011). Occurrence of leptospirosis among suspected cases in Chennai, Tamil Nadu. Indian Journal of Pathology & Microbiology, 54(1), 100-2. https://doi.org/10.4103/0377-4929.77340
Arumugam G, et al. Occurrence of Leptospirosis Among Suspected Cases in Chennai, Tamil Nadu. Indian J Pathol Microbiol. 2011 Jan-Mar;54(1):100-2. PubMed PMID: 21393887.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Occurrence of leptospirosis among suspected cases in Chennai, Tamil Nadu. AU - Arumugam,Ganesan, AU - Jacob,S Mini, AU - Anitha,D, AU - Rajappa,Sivakumar Mampakkam, PY - 2011/3/12/entrez PY - 2011/3/12/pubmed PY - 2011/6/21/medline SP - 100 EP - 2 JF - Indian journal of pathology & microbiology JO - Indian J Pathol Microbiol VL - 54 IS - 1 N2 - OBJECTIVE: To evaluate the serological profile of leptospirosis by microscopic agglutination test (MAT) and dark field microscopy (DFM) and to determine the serovar prevalence rate among patients with pyrexia of unknown origin. MATERIALS AND METHODS: A total of 3830 blood samples were received from different hospitals and laboratories in and around Chennai. They were screened for leptospirosis by MAT and direct observation of live Leptospira by DFM. RESULTS: A total of 748 (19.5%) Leptospira positive cases were identified; among these, 36.76% were Leptospira australis, 30% were Leptospira canicola, 14.57% were Leptospira autumnalis, 12% were Leptospira icterohaemorrhagiae, 4.68% were Leptospira patoc and 1.87% were Leptospira grippotyposa. Patients were in the age group of 1-86 years, with a median age of 43.5 years. 50% positive cases were in the age group of 10-35 years. Majority of the Leptospira infected cases were males (62.98%) than females (37.02%). CONCLUSION: Leptospirosis occurs in Chennai throughout the year although the number and positivity of cases increased during the monsoon season. SN - 0974-5130 UR - https://www.unboundmedicine.com/medline/citation/21393887/Occurrence_of_leptospirosis_among_suspected_cases_in_Chennai_Tamil_Nadu_ L2 - http://www.ijpmonline.org/article.asp?issn=0377-4929;year=2011;volume=54;issue=1;spage=100;epage=102;aulast=Arumugam DB - PRIME DP - Unbound Medicine ER -