Rickettsial infection, or rickettsiosis, is a zoonotic acute febrile illness caused by obligate intracellular, gram-negative bacteria from the genera Rickettsia, Orientia, Ehrlichia, Neorickettsia, and Anaplasma. Rickettsiosis is spread by tick or mite bites. Rickettsial infections are reported in various parts of the world. Scrub typhus, which is caused by Orientia tsutsugamushi, is the most commonly reported rickettsial infection on the Indian subcontinent [3–6,10–12].

The  heavy  metals  generally,  enter  the  aquatic  environment  through  atmospheric deposition,  erosion of geological matrix or due to anthropogenic activities caused by industrial effluents, domestic sewage and mining wastes. The main objectives of this paper is to understand the

Traffic policemen working in the busy traffic signal areas get
exposed to the vehicular emissions for years together. The fumes, chemicals
and particles present in the emission are reported to be damaging to the
lung functions of these individuals. Since there were no data available on
the PFT parameters of traffic police personnel of Pondicherry, this study