2004 - 2006

1. Vijayachari, P., Sehgal, S.C. Recent advances in the laboratory diagnosis of leptospirosis and characterization of leptospires. Indian J Med Microbiol, 24:4; pp320-2 (2006)
2. Sehgal, S.C. Epidemiological patterns of leptospirosis. Indian J Med Microbiol, 24:4; pp310-1(2006)
3. Niyaz Ahmed, Manulata Devi, S., M de los A Valverde, Vijayachari, P., Robert S Machang’u, William A Ellis, Rudy A. Hartskeerl. Multilocus sequence typing method for identification classification of pathogenic Leptospira species. Ann Clin Microbiol Antimicrob. 5:pp28-34 (2006)
4. Sharma, S., Vijayachari, P., Sugunan, A.P., Natarajaseenivasan, K., Murhekar, M.V., Sehgal, S.C. Seroprevalence of Leptospirosis among Jarwas – a Hunter-gatherer primitive negrito tribe of Andaman and Nicobar islands, India. Res J Microbiology. 1(1), pp95-100 (2006)
5. Sharma, S., Vijayacyari, P, Sugunan, A.P., Natarajaseenivasan, K., Sehgal, S.C. Seroprevalence of leptospirosis among high-risk population of Andaman islands, India. American J Trop Med Hy,74(2):pp278-83 (2006)
6. Sehgal, S.C., Sugunan, A.P. Public health significance of Leptospirosis – a neglected disease in India. Ann National Acad Med Sci (India), 41(1&2):pp23-24 (2006)
7. Murhekar, K.M., Murhekar, M.V., Bharadwaj, A.P, Singh, S.S., Manu, V., Sehgal, S.C. Aetiology of acute viral hepatitis in Andaman and Nicobar islands, India. Tropical Doctor 36, pp187-8 (2006)
8. Murhekar, M.V., Chakraborty, R., Murhekar, K.M., Banerjee, A., Sehgal, S.C. Hepatitis B Virus genotypes among the Jarawas: A primitive Negrito tribe of Andaman and Nicobar Islands, India. Archieves of Virology. 151(8) pp1499-510 (2006)
9. Roy S., Thanasekaran, K., Dutta Roy, A.R., Sehgal, S.C. Distribution of shigella enterotoxin genes and secreted autotransporter toxin gene among diverse species and serotypes of shigella isolated from Andaman islands, India. Trop Med International Health, 11(11)pp694-98 (2006)
10. V.G. Rao, Sugunan, A.P, Murhekar, M.V and Sehgal, S.C. Malnutrition and high childhood mortality among the Onge tribe of the Andaman and Nicobar islands. Pub Health Nutrition. 9(1),pp19-25 (2006)

1. Natarajaseenivasan, K., Vijayachari, P., Sugunan, A.P., Sharma, S., Sehgal. S.C. Phenotypic and genotypic conservation of OmpL1 and LipL41 among leptospiral isolates of Andaman islands”. Indian J Med Res, 122(4), pp343-7 (2005)
2. Subarna Roy, Biswas, D., Vijayachari, P., Sugunan, A.P., Sehgal, S.C. Clone of Leptospira interrogans sensu stricto is the major cause of leptospirosis in the archipelago of Andaman & Nicobar islands, India. Letters in Applied Microbiology. 41(2), pp179-85 (2005)
3. Biswas, D., Roy, S., Vijayachari, P., Sugunan, A.P., Natarajaseenivasan, K., Sehgal, S.C. Comparison of immunoreactive proteins of commonly circulating serogroups of Leptospira in Andaman islands, India. Indian J Med Res. 121, pp-151-8 (2005)
4. Natarajaseenivasan, K., Vijayachari, P., Sharma, S., Roy, S., Sugunan, A.P., Biswas, D., Sehgal, S.C. Phylogenetic relatedness among leptospiral strains belonging to same serovar recovered from patients with different clinical syndromes. Genet. Evol. 5(2):pp185-91 (2005)
5. Murhekar, M.V., Murhekar, K.M. and Sehgal, S.C. Hepatitis Delta virus infection among the tribes of Andaman and Nicobar islands, India, hyper-endemic for hepatitis-B. Trans Royal Soc Trop Med Hyg. 99: pp483-84 (2005)
6. Subarna Roy, Dutta, B, Ghosh, A.R., Sugunan, A.P, Nandy, R.K., Bhattacharya, S.K, Sehgal, S.C. Molecular tracKing of the lineage of strains of Vibrio cholerae OI biotype EI Tor associated with a cholera outbreak in Andaman and Nicobar islands, India. Trop Med International Health, 10 (6), pp604-09 (2005)
7. Krishnamoorthy, K., Jambulingam, P, Natarajan, R., Shriram, A.N., Das, P.K. and Sehgal, S.C. Altered environment and risk of malaria outbreak in South Andaman, Andaman & Nicobar islands, India affected by tsunami disaster. Malaria Journal, 4:32, p1-9 (2005)
8. Shriram, A.N., Ramaiah, K D., Krishnamoorthy, K., Sehgal, S.C. Diurnal pattern of man biting activity and transmission of subperiodic Wuchereria bancrofti (Filariata dipetalonematidae) by Ochlerotatus niveus (Diptera: Culicidae) in Andaman and Nicobar Islands, India. American J Trop Med Hyg 72: 273-277 (2005)
9. Murhekar, M.V., Rao, R.C., Ghosal, S.R., Sehgal S.C. Assessment of injection related practices in a tribal community of Andaman and Nicobar Islands, India. Public Health 119(7): pp655-8 (2005)

1. Subarna Roy, Biswas, D., Vijayachari, P, Sugunan, A.P and Sehgal, S.C. A 22-mer primer enhances discriminatory power of AP-PCR fingerprinting technique in characterization of leptospires. Trop Med Int Health. 9(11):pp1203-9 (2004)
2. Sugunan, A.P., Natarajaseenivasan K., Vijayachari, P., Sehgal, S.C. Percutaneous exposure resulting in laboratory acquired leptospirosis - a case report. J Med Microbiol. 53(12):pp1259-62 (2004)
3. Natarajaseenivasan, K., Vijayachari, P, Sugunan, A.P, Sharma, S.S., Sehgal, S.C. Leptospiral proteins expressed during acute & convalescent phases of human leptospirosis. Indian J Med Res. 120(3), pp151-9 (2004)
4. Vijayachari, P, Sugunan, A.P., Murhekar, M.V, Sharma, S and Sehgal, S.C. Leptospirosis among school children of the Andaman & Nicobar islands, India: low levels of morbidity and mortality among pre-exposed children during an epidemic. Epidemiol Infect, 132(6), pp1115-20 (2004)
5. Sehgal, S.C. Public Health Significance of Leptospirosis in South East Asia. Malaysian Journal of Public Health Medicine. 4 (suppl 2), pp6 (2004)
6. Vijayachari, P., Niyaz Ahmed, Sugunan, A.P., Ghousunnissa, S., Rao, K.R., Seyed E. Hasnain and Sehgal, S.C. Use of fluorescent amplified fragment length polymorphism for molecular epidemiology of Leptospirosis in India. J Clin Microbiol. 42(8), pp3575-80 (2004)
7. Vijayachari, P, Hartskeerl, R.A, Sharma, S. Natarajaseenivasan, K, Roy, S, Terpstra, W.J and Sehgal, S.C. A unique strain of leptospira isolated from a patient with pulmonary haemorrhages in the Andaman islands: a proposal of serovar Portblairi of serogroup Sehgali. Epidemiol Infection, 132(4), pp663-73 (2004)
8. Murhekar, M.V, Murhekar, K.M., Sehgal, S.C. Low prevalence of HCV infection among the primitive tribes of Andaman and Nicobar islands, India. J Commun Dis. 36(1):pp72-3 (2004)
9. Murhekar, M.V, Murhekar, K.M, Sehgal, S.C.Hepatitis-B vaccination in a hyper-endemic tribal community from India: assessment after three years. Vaccine. 23(3):pp399-403 (2004)
10. Murhekar, M.V, Murhekar, K.M. and Sehgal, S.C. Seroepidemiology of hepatitis-B infection among tribal school children in Andaman and Nicobar Islands, India. Ann Trop Paediatr. 24 pp85-88 (2004)
11. Murhekar, M.V, Murhekar, K.M, Sehgal, S.C.. Age-specific prevalence of hepatitis-B infection among the Karen in Andaman & Nicobar islands, India”. Trop Doctor 34(2) pp117-8 (2004)
12. Sugunan, A.P, Ghosh, A.R., Roy, S., Gupte, M.D, Sehgal, S.C. A Cholera epidemic among the Nicobarese tribe of Nancowry, Andaman & Nicobar Islands, India. American J Trop Med Hyg. 71(6):pp822-7 (2004)
13. Murhekar, M.V., Kolappan C, Gopi, P.G, Chakraborty, A.K., Sehgal, S.C. Tuberculosis situation among tribal population of Car Nicobar, India, 15 years after intensive tuberculosis control project and implementation of a national tuberculosis programme. Bull World Health Organ. 82(11):pp836-43 (2004)
14. Murkehar, K.M., Hamza, A., Murhekar, M.V., Sehgal, S.C. Transaminase abnormalitites in asymptomatic individuals of a tribal community from the Andaman and Nicobar Islands, India. Trop Gastroenterol. 25(1):pp55 (2004)
15. Sengupta, S., Farheen, S., Mukherjee, N., Dey, B, Mukhopadhyay, B., Sil, S.K, Prabhakaran, N., Ramesh, A., Edwin, D., Usha Rani, M.V., Mitra, M., Mahadik, C.T., Singh, S., Sehgal, S.C. and Majumder, P.P. DNA sequence variation and haplotype structure of the ICAM1 and TNF genes in 12 ethnic groups of India reveal patterns of importance in designing association studies. Ann Hum Genet, 68(6):p574-87(2004)
16. Sunita Singh, Sanghamitra Sengupta, K.M. Murhekar, Subhash C. Sehgal and Partha P. Majumder. Single nucleotide polymorphisms in two genes among the Jarawa – a primitive tribe of Andaman & Nicobar islands, Current Science; 86(2), p326-28 (2004)