References

Akinyemi, K.O., A.O. Coker, D.K. Olukoya, A.O. Oyefolu, E.P. Amorighoye and E.O. Omonigbehin, 2000. Prevalence of multi-drug resistant Salmonella typhi among clinically diagnosed typhoid fever patients in Lagos, Nigeria. Z. Naturforsch. C., 55: 489-493.
PubMed  |  Direct Link  |  

Akinyemi, K.O., S.I. Smith, A.O. Oyefolu and A.O. Coker, 2005. Resistance in Salmonella typhi isolated from patients with typhoid fever complications in Lagos, Nigeria. Public Health, 119: 321-327.

Andrews, J.M., 2001. Determination of minimum inhibitory concentrations. J. Antmicrob. Chemother., 48: 5-16.
CrossRef  |  Direct Link  |  

Brown, J.C., P.M.A. Shanahan, M.V. Jesudason, C.J. Thompson and S.G.B. Amyes, 1996. Mutations responsible for reduced susceptibility to 4-quinolones in clinical isolates of multi-resistant Salmonella typhi in India. J. Antimicrob. Chemother., 37: 981-1000.
CrossRef  |  Direct Link  |  

Dromigny, J.A. and J.D. Perrier-Gros-Claude, 2003. Antimicrobial resistance of Salmonella enterica serotype Typhi in Dakar, Senegal. Clin. Infect. Dis., 37: 465-466.
CrossRef  |  Direct Link  |  

Hasan, R., F.J. cooke, S. Nair and B.N. Harish, 2005. Typhoid and paratyphoid fever. Lancet, 366: 1603-1604.
PubMed  |  Direct Link  |  

Hooper, D., 2000. Quinolones. In: Mandell and Douglas Bennett's Principles and Practice of Infectious Diseases, Mandell, G.L., J.E. Bennett and R. Dolin (Eds.). 5th Edn. Churchill Livingstone, Philadelphia, PA., USA., pp: 404-423.

Kariuki, S., G. Revathi, J. Muyodi, J. Mwituria, A. Munyalo, S. Mirza and C.A. Hart, 2004. Characterization of multidrug-resistant typhoid outbreaks in Kenya. J. Clin. Microbiol., 42: 1477-1482.
PubMed  |  

Lathi, N. and J. Sudarsana, 2004. Changing sensitivity pattern of Salmonella typhi in calicut. Calicut Med. J., 2: e2-e2.
Direct Link  |  

Mandal, S., M. Mandal and N.K. Pal, 2003. In vitro efficacy of ciprofloxacin alone and in combination with amoxicillin against Salmonella typhi isolates. Indian J. Exp. Biol., 41: 360-362.
PubMed  |  Direct Link  |  

Mirza, S., S. Kariuki, K.Z. Mamun, N.J. Beeching and C.A. Hart, 2000. Analysis of plasmid and chromosomal DNA of multidrug-resistant Salmonella enterica serovar Typhi from Asia. J. Clin. Microbiol., 38: 1449-1452.

Newman, M.J., E. Frimpong, A. Asamoah-Adu and E. Sampane, 2006. Resistance to antimicrobial drugs in Ghana. The Ghanaian-Dutch Collaboration for Health Research and Development, pp: 1-26.

Nkemngu, N.J., E.D.B. Asonganyi and A.L. Njunda, 2005. Treatment failure in a typhoid patient infected with nalidixic acid resistant S. enterica serovar Typhi with reduced susceptibility to Ciprofloxacin: A case report from Cameroon. BMC Infect. Dis., Vol. 5. 10.1186/1471-2334-5-49

Ogunleye, V.O., A.O. Ogunleye, A.T.P. Ajuwape, O.M. Olawole and A.I. Adetosoye, 2005. Childhood septicaemia due to Salmonella Species in Ibadan, Nigeria. Afr. J. Biomed. Res., 8: 131-134.

Parry, C.M., T.T. Hien, G. Dougan, N.J. White and J.J. Farrar, 2002. Typhoid fever. New Engl. J. Med., 347: 1770-1782.
PubMed  |  Direct Link  |  

Phung, L.V., H. Ryo and T. Nomura, 2002. Specific gyrA mutation at codon 83 in nalidixic acid-resistant Salmonella enterica serovar Typhi strains isolated from Vietnamese patients. Antimicrob. Agents Chemother., 46: 2052-2053.
Direct Link  |  

Rowe, B. L.R. Ward and E.J. Threlfall, 1997. Multidrug resistant Salmonella typhi: A world wide epidemic. Clin. Infect. Dis., 24: S106-S109.
PubMed  |  Direct Link  |  

Rowe, B., L.R. Ward and E.J. Threlfall, 1991. Treatment of multiresistant typhoid fever. Lancet, 337: 1422-1422.
Direct Link  |  

Saha, S.K., G.L. Darmstadt, A.H. Baqui, D.W. Crook and M.N. Islam et al., 2006. Molecular basis of resistance displayed by highly ciprofloxacin-resistant Salmonella enterica serovar Typhi in Bangladesh. J. Clin. Microbiol., 44: 3811-3813.
Direct Link  |  

Talawadekar, N.N., P.J. Vadher, D.U. Antani, V.V. Kale and S.A. Kamat, 1989. Chloramphenicol resistant Salmonella species isolated between 1978 and 1987. J. Postgraduate Med., 35: 79-82.
Direct Link  |  

Threlfall, E.J. and L.R. Ward, 2001. Decreased susceptibility to ciprofloxacin in Salmonella enterica serotype typhi, United Kingdom. Emerg. Infect. Dis., 7: 448-450.
CrossRef  |  PubMed  |  Direct Link  |  

Wain, J., L.T.D. Nga, C. Kidgell, J. Keith and F. Sarah et al., 2003. Molecular analysis of incHI1 antimicrobial resistance plasmids from Salmonella serovar Typhi strains associated with typhoid fever. Antimicrob. Agents Chemother., 47: 2732-2739.
PubMed  |  Direct Link  |  

Wain, J., N.T. Hoa, N.T. Chinh, H. Vinh and M.J. Everett et al., 1997. Quinolone-resistant Salmonella typhi in Viet Nam: Molecular basis of resistance and clinical response to treatment. Clin. Infect. Dis., 25: 1404-1410.
PubMed  |  Direct Link  |