
Betacoronaviruses cell immunity is taken on consideration as well as aerosol transmission and asymptomatic infectivity of COVID-19 carriers. The hydroxychloroquine and serotherapy are studied after identification and spreading of the virus. Its cell epitopes play a role on viral pathogenesis that influences morbility and mortality according to interstitial pneumonia, lymphokinestorms and thromboembolic happenings. Kawasaki syndrome and kidney involvement are discussed with other main pathologies before its prospectives from oral poliovaccine to more proper and specific vaccines.