Reactivity: Has cross-reactivity in ELISA with<br> SARS-CoV-2 (2019-nCoV) Nucleocapsid Protein (Cat# RP01281)<br> No cross-reactivity in ELISA with<br> MERS-CoV Nucleoprotein protein<br> HCoV-229E Nucleoprotein protein
Reactivity: Has cross-reactivity in ELISA with<br> SARS-CoV-2 Spike S1 Protein (Cat# RP01262)<br> SARS-CoV-2 S1+S2 ECD(S-ECD) Protein (Cat# RP01284)<br> No cross-reactivity in ELISA with<br> MERS-CoV Spike S1 Protein