Although COVID-19 is not yet well known, preliminary data suggests that it is more virulent and more contagious than seasonal flu, and less virulent but more contagious than SARS and MERS.
Ijapokuwa hakuna mambo mengi yanayojulikana bado kuhusu COVID-19, data ya mapema inaonyesha kwamba ni mbaya na inaambukiza zaidi kuliko mafua ya msimu, na isio mbaya zaidi lakini inaambukiza zaidi kuliko SARS na MERS.