TABLE 3.

Representative targets for diagnosing SARS‐CoV‐2

Target	Type of test	Function
ORF1ab gene	Nucleic acid	Encoding replicase polyprotein 1ab
ORF1b‐nsp14 gene	Nucleic acid	Encoding nonstructural protein 14
RdRP gene	Nucleic acid	Encoding RNA‐dependent RNA polymerase
S gene	Nucleic acid	Encoding spike glycoprotein (structural)
E gene	Nucleic acid	Encoding small envelope protein (structural)
M gene	Nucleic acid	Encoding matrix protein (structural)
N gene	Nucleic acid	Encoding nucleocapsid protein (structural)
Spike protein RBD domain	Antibody	Bind to ACE2 receptor

Abbreviations: ACE2, angiotensin‐converting enzyme 2; RBD, receptor binding domain.