| CCoV | Canine coronavirus |
| CoVs | Coronaviruses |
| FCoV | Feline Coronavirus |
| APN | aminopeptidase N |
| FP | fusion peptide |
| HR | heptad repeat |
| HR1 | N-terminal HR domain |
| HR2 | C-terminal HR region |
| 6HB | six-helix bundle |
| HIV-1 | human immunodeficiency virus type 1 |
| FDA | Food and Drug Administration |
| SARS-CoV | severe acute respiratory syndrome coronavirus |
| SARS-CoV-2 | severe acute respiratory syndrome coronavirus type 2 |
| MERS-CoV | Middle East respiratory syndrome |
| FIPV | feline infectious peritonitis virus |
| MTT | 3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyl-2H-tetrazolium bromide |
| DMSO | dimethyl sulfoxide |
| CPEs | cytopathic effects |
| TCID50 | tissue culture infective dose |
| qPCR | real-time quantitative PCR |
| Ct | Cycle threshold |
| GAPDH | glyceraldehyde-3-phosphate dehydrogenase |
| IBV | avian infectious bronchitis virus |
| TGEV | transmissible gastroenteritis coronavirus |
| MHV | mouse hepatitis virus |
| PEDV | porcine epidemic diarrhea virus |
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