Coronavirus-yada novel waxay ka tirsan yihiin genus-ka β.COVID-19 waa cudur faafa oo neef-mareenka oo degdeg ah.Dadku guud ahaan waa u nugul yihiin.Hadda, bukaannada uu ku dhacay cudurka 'coronavirus' cusub ayaa ah isha ugu weyn ee caabuqa;Dadka cudurka asymptomatic-ka ah sidoo kale waxay noqon karaan il faafa.Iyada oo ku saleysan baaritaanka cudurrada faafa ee hadda, muddada soo-baxa waa 1 ilaa 14 maalmood, badiyaa 3 ilaa 7 maalmood.Calaamadaha ugu waaweyn waxaa ka mid ah qandho, daal iyo qufac qalalan.Sanka oo ciriiri ah, diif, cune xanuun, myalgia iyo shuban ayaa laga helaa dhowr xaaladood.

 
Hargabku waa mid aad u faafa, ba'an, caabuq fayras ah oo ku dhaca habka neefsashada.Astaamaha keena cudurku waa kala duwanaansho difaac ahaan kala duwan, fayraska RNA-da-strand ee loo yaqaan fayraska hargabka.Waxaa jira saddex nooc oo fayraska hargabka ah: A, B, iyo C. Nooca A ayaa ah kuwa ugu badan oo lala xiriiriyo cudurrada faafa ee ugu daran.Fayrasyada nooca B waxa ay soo saaraan cudur guud ahaan ka khafiifsan ka uu keeno nooca A. Nooca C fayrasyadu weligood lalama xidhiidhin cudurro badan oo bini aadamka ah.Labada nooc ee fayrasyada A iyo B waxay wada wareegi karaan isku mar, laakiin badanaa hal nooc ayaa ku badan inta lagu jiro xilli go'an.