Table 1.
Timeline features of coronaviruses (CoVs).
| Facts |
MERS |
SARS |
COVID-19 |
|
|---|---|---|---|---|
| Estimated Radius |
>1 |
2–5 |
2.68 |
|
| Incubation period | 5.2 days | 4.6 days | 6.4 days | |
| Host | •Natural | Bats | Chinese horseshoe bats | Bats |
| •Intermediate | Dromedary Camels | Masked palm Civets | Pangolin | |
| •Terminal | Human | Human | Human | |
| Transmission | •Human To Human (Via Fomites, Physical Contact, Aerosol Droplets) •Nosocomial •Zoonotic •Fecal-Oral |
•Human to Human (Via Aerosol Droplets) •Fecal-Oral •Zoonotic •Nosocomial •Opportunistic Airborne |
•Limited Human to Human (Aerosol Droplets) •Nosocomial •Zoonotic •Respiratory |
|