Important Information on the Use of Serological (Antibody) Tests for COVID-19: FDA Letter to Healthcare Providersexternal iconMore: FDA EUA Authorized Serology Test Performanceexternal iconcan access collection materials for SARS-CoV-2 testing, including swabs and transport media, through the International Reagent Resource (IRR)external icon.
The IRR supports state and local public health laboratories, as well as other qualified laboratories participating in public health surveillance and studies, by providing reagents, tools, and information for studying SARS-CoV-2 and other pathogens.Through IRR, CDC also provides the reagents that public health laboratories use to detect SARS-CoV-2 virus in respiratory specimens.