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The first dominant co-circulation of both dengue and chikungunya viruses during the post-monsoon period of 2010 in Delhi, India

  • P. SINGH (a1), V. MITTAL (a2), M. M. A. RIZVI (a3), M. CHHABRA (a2), P. SHARMA (a2), D. S. RAWAT (a1), D. BHATTACHARYA (a2), L. S. CHAUHAN (a1) (a2) and A. RAI (a1)...

Summary

Independent outbreaks of dengue virus (DENV) infection and sporadic cases of chikungunya virus (CHIKV) have been recorded in the metropolitan city of Delhi on several occasions in the past. However, during a recent 2010 arboviral outbreak in Delhi many cases turned negative for DENV. This prompted us to use duplex reverse transcriptase–polymerase chain reaction (D-RT–PCR) to establish the aetiology of dengue/chikungunya through sequencing of CprM and E1 genes of dengue and chikungunya viruses. Interestingly, for the first time, both DENV and CHIKV co-circulated simultaneously and in equally dominant proportion during the post-monsoon period of 2010. DENV-1 genotype III and the East Central South African genotype of CHIKV were associated with post-monsoon spread of these viruses.

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Copyright

COPYRIGHT: © Cambridge University Press 2011

Corresponding author

*Author for correspondence: Dr A. Rai, Joint Director & Head, Division of Biochemistry & Biotechnology, National Centre for Disease Control (Formerly NICD) 22, Sham Nath Marg, Delhi-110054, India. (Email: arvindrai_16@hotmail.com)

References

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  • Cited by 27

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The first dominant co-circulation of both dengue and chikungunya viruses during the post-monsoon period of 2010 in Delhi, India

  • P. SINGH (a1), V. MITTAL (a2), M. M. A. RIZVI (a3), M. CHHABRA (a2), P. SHARMA (a2), D. S. RAWAT (a1), D. BHATTACHARYA (a2), L. S. CHAUHAN (a1) (a2) and A. RAI (a1)...

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