title: Authors' reply.
authors.forename: Kabita
authors.initials: K
authors.lastname: Chatterjee
mesh_terms: D001771:Blood Banks / Q000592:standards*; D004279:DNA, Viral / Q000097:blood*; D015497:HIV-1 / Q000302:isolation & purification*; D016174:Hepacivirus / Q000302:isolation & purification*; D006515:Hepatitis B virus / Q000302:isolation & purification*; D006801:Humans; D012367:RNA, Viral / Q000097:blood*; D062606:Tertiary Care Centers / Q000592:standards*
chemical_list: D004279:DNA, Viral; D012367:RNA, Viral