Covid-19: Ko e hā hono lahi ʻo e fakakeheʻí, pea ko e hā e meʻa ʻoku tau ʻilo kau kiate kinautolú?
ʻOku hoko e fakakeheʻi ʻo e vailasi ʻi he taimi ʻoku fai ai ha liliu—pe miuteisoni—ki he afa ʻo e vailasi. Ko e natula ia ʻo RNA vailasi hange ko e coronavirus ke e mo liliu mamalie. "ʻOku tupu ʻa e mavahe fakasiokalafi ʻi genetically fakakeheʻi makehe,".
Miuteisoni ʻi he vailasi—kau ai ʻa e coronavirus ʻoku ne fakatupu ʻa e COVID-19 pandemic—ʻoku ʻikai ke foʻou pe taʻeʻamanekina.
"RNA vailasi mutate ʻi ha vahaʻataimi, niʻihi ʻo lahi ange ʻi he niʻihi. Hangē ko ʻení, mafola vailasi faʻa liliu, ʻa ia ko hono ʻuhinga ʻoku fokotuʻu mai ai ʻe he kau toketaa ke ke maʻu ha huhu maluʻi mafola foʻou ʻi he taʻu kotoa pe.”