Recombinant DNA
Escherichia coli
Antigen
Serology
Virology
Affinity chromatography
Western blot
Proteases
Antibody
Coronavirus
Biology
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)
Molecular biology
Chemistry
Coronavirus disease 2019 (COVID-19)
Enzyme
Biochemistry
Medicine
Gene
Immunology
Infectious disease (medical specialty)
Disease
Pathology