Tropical Doctor > Volume 38, Number 2 > Pp. 89-91

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Articles

Epidemiological shift, seasonal variation and antimicrobial susceptibility patterns among enteric fever pathogens in south India

K Vidyalakshmi MD   ^*    R Yashavanth MBBS   ^*   M Chakrapani MD      B Shrikala MD   ^*   B Bharathi MSc   ^*   U Suchitra MD   ^*   B Dhanashree PhD   ^*   R M S Dominic MD   ^*

^* Department of Microbiology, Kasturba Medical College, Mangalore 575001, Karnataka, India; Department of Medicine, Kasturba Medical College, Mangalore 575001, Karnataka, India

Correspondence to: K Vidyalakshmi, Department of Microbiology, Kasturba Medical College, Light House, Hill Road, Mangalore 575001, Karnataka, India Email: k.vidyalakshmi{at}lycos.com

Between January 2005 and December 2006, a higher incidence of paratyphoid fever (53.8%) compared to typhoid fever (44.9%) has been observed at a tertiary hospital in South India. A definite seasonal pattern of incidence is seen in paratyphoid fever (peak incidence during October–December, i.e., post monsoon period) but not in typhoid fever. Decreased fluoroquinolone susceptibility is much higher in S. Paratyphi A (98.8%) as compared to S. Typhi (46.5%). These findings are of importance in therapeutic decision making, development of vaccination strategies and implementing public health measures for disease control.

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