The novel coronavirus(冠状病毒), which____1____(originate)in the Chinese city of Wuhan and has now spread to 12countries, has much in common ____2___ seasonal flu. They are both viralinfections, share similar symptoms and crucially(关键地) can spread from human to human. In themidst of flu season in much of the northern hemisphere, ____3___(tell) thedifference between the two will be vital in stopping its spread.
Human coronaviruses, of which there are four, can causerespiratory (呼吸道)infectionssimilar to flu: while many symptoms are mild, both can lead to pneumonia(肺炎) andbecome lethal(致命的). ___4___, the novel coronavirus is moreserious than __5__ "typical influenza infection,(流感)"says Ian Jones, a professor of virology at the University of Reading.
"Thisvirus appears to go___6___(far) down into the lungs than would generally be thecase. Therefore, it will give you___7___ (symptom) of pneumonia(肺炎): thelungs becoming flooded, they don't function very well and the patient gets intobreathing difficulty."
Whilethe mortality rates and symptoms of flu and novel coronavirus may end up beingsimilar, humans' ability ___8____(fight) off the viruses differs greatly.
Humanshave naturally built up antibodies to seasonal flu and annual vaccines____9____(develop) to fight it. During a pandemic(流行病), whichthe new coronavirus has the potential to become, "there is no immunity(免疫性) in the population so you have potentialfor a ___10___(globe) spread," warns Jones.
参考答案：
1、originated
2、with
3、telling
4、However
5、a
6、further
7、symptoms
8、to fight
9、have been developed
10、global
，我们将会及时处理。
