title: Authors' reply.
authors.forename: S
authors.initials: S
authors.lastname: Chauhan
authors.forename: A K
authors.initials: AK
authors.lastname: Rathi
authors.forename: P
authors.initials: P
authors.lastname: Gahalaut
mesh_terms: D016358:Contact Tracing; D005260:Female; D006801:Humans; D008297:Male; D008403:Mass Screening / Q000379:methods*; D014057:Tomography, X-Ray Computed; D014374:Tuberculin Test; D014397:Tuberculosis, Pulmonary / Q000000981:diagnostic imaging* / Q000276:immunology*