Recombinant Protein-Based Assays for Detection of Antibodies to Severe Acute Respiratory Syndrome Coronavirus Spike and Nucleocapsid Proteins

Author:

Haynes Lia M.12345,Miao Congrong12345,Harcourt Jennifer L.12345,Montgomery Joel M.12345,Le Mai Quynh12345,Dryga Sergey A.12345,Kamrud Kurt I.12345,Rivers Bryan12345,Babcock Gregory J.12345,Oliver Jennifer Betts12345,Comer James A.12345,Reynolds Mary12345,Uyeki Timothy M.12345,Bausch Daniel12345,Ksiazek Thomas12345,Thomas William12345,Alterson Harold12345,Smith Jonathan12345,Ambrosino Donna M.12345,Anderson Larry J.12345

Affiliation:

1. National Centers for Immunization and Respiratory Diseases, Division of Viral Diseases, Respiratory and Gastroenteritis Viruses Branch

2. Division of Viral and Rickettsial Diseases, Special Pathogens Branch

3. Poxvirus Activity

4. Influenza Division, Centers for Disease Control and Prevention (CDC), 1600 Clifton Rd. NE, Atlanta, Georgia

5. AlphaVax, Inc., Research Triangle Park, North Carolina

Abstract

ABSTRACT Recombinant severe acute respiratory syndrome (SARS) nucleocapsid and spike protein-based immunoglobulin G immunoassays were developed and evaluated. Our assays demonstrated high sensitivity and specificity to the SARS coronavirus in sera collected from patients as late as 2 years postonset of symptoms. These assays will be useful not only for routine SARS coronavirus diagnostics but also for epidemiological and antibody kinetic studies.

Publisher

American Society for Microbiology

Subject

Microbiology (medical),Clinical Biochemistry,Immunology,Immunology and Allergy

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