Scrub typhus is prevalent in India although definite statistics are not available. There has been only one study on scrub typhus meningitis 20 years ago. Most reports of meningitis/meningoencephalitis in scrub typhus are case reports. A retrospective study done in Pondicherry to extract cases of scrub typhus admitted to hospital between February 2011 and January 2012. Diagnosis was by a combination of any one of the following in a patient with an acute febrile illness- a positive scrub IgM ELISA, Weil-Felix test, and an eschar. Lumbar puncture was performed in patients with headache, nuchal rigidity, altered sensorium or cranial nerve deficits.
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/scrub-typhus-meningitis-south-india-%E2%80%94-retrospective-study
[2] http://admin.indiaenvironmentportal.org.in/category/author/stalin-viswanathan
[3] http://admin.indiaenvironmentportal.org.in/category/author/vivekanandan-muthu
[4] http://admin.indiaenvironmentportal.org.in/category/author/nayyar-iqbal-et-al
[5] http://admin.indiaenvironmentportal.org.in/category/journal/plos-one
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/micro-organisms
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/meningitis
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/pondicherry
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/india
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/diagnostic-methods