Molecular Detection of Multiple Genotypes of <i>Orientia tsutsugamushi</i> Causing Scrub Typhus in Febrile Patients from Theni District, South India oleh Krishnamoorthy Nallan, Gopinathan Rajan, Lallitha Sivathanu, Panneer Devaraju, Balaji Thiruppathi, Ashwani Kumar, Paramasivan Rajaiah