1. WHO Recommended Surveillance Standards WHO/CDS/CSR/ISR/99.2. Second ed: World Health Organization. Available from: http://www.who.int/csr/resources/publications/surveillance/whocdscsrisr992syn.pdf.
2. Scrub typhus and tropical rickettsioses;G Watt;Curr Opin Infect Dis,2003
3. Investigation of an outbreak of scrub typhus in the himalayan region of India;A Sharma;Jpn J Infect Dis,2005
4. Outbreak of scrub typhus in Pondicherry;M Vivekanandan;J Assoc Physicians India,2010
5. Re-emergence of scrub typhus in northeast India;SA Khan;Int J Infect Dis,2012