Table 1.

Transmission routes

Source	Mode of transmission	RNA by PCR (Days since onset of symptoms)	Viable virus (Days since onset of symptoms)
Nasopharynx	Droplet	Up to 37 days	Up to 7 days (in mild cases)
Sputum	Droplet/airborne during aerosol-producing procedures	Up to 37 days	Up to 7 days (in mild cases)
Stool	No evidence of faecal–oral transmission	>30 days	Only 1 report; uncertain
Blood	No viable virus to date	Up to 14 days	No
Urine	No viable virus to date	No	No
Conjunctiva	No viable virus to date
Macaques with corneal inoculation develop infection	Yes	No
Vertical	No strong evidence of vertical transmission to date	No	N/A