Open procedure tender, pursuant to art. 60 of Legislative Decree no. 50/2016 and subsequent amendments, for the assignment of a supply of reagents and "in service" instruments, for the detection of antibodies against viral, bacterial and parasitic pathogens, and quantitative determination of procalcitonin, for the needs of the UOC Laboratory of Virology and Biosafety Laboratories and Laboratory of Microbiology and Biological Bank of the National Institute for Infectious Diseases «Lazzaro Spallanzani» of Rome, divided into 2 lots, for a period of thirty-six (36) months.