COVID19 is a new disease. Current understanding about how the virus spreads is largely based on what is known about similar coronaviruses(冠状病毒). The virus is thought to spread mainly from person to person, especially between people who are in close contact with one another (within abo...
第三空,“it” 指代 “COVID - 19”,在句中作主语,这里需要一个动词作谓语,“threat” 的动词形式是 “threaten”,表示 “威胁”,主语是第三人称单数,时态是一般现在时,所以动词形式是 “threatens”。 第四空,“its”(它的)后面需要一个名词,“threat” 本身就是名词,在这里表示 “威胁”。反馈...
进一步的症状学研究发现,Long COVID可表现出呼吸、心血管、神经系统、肾脏、内分泌、消化等多个系统的症状。 呼吸系统 英国相关研究数据显示,Long COVID患者中有36%存在呼吸短促,有26%出现肺损害的症状和体征,同时也有慢性咳嗽、肺活量下降的报道。其机制可能为:1. 新冠病毒(SAR...
“COVID-19” “OR” “SARS” “OR” “SARS – COV 2” “AND” “systemic disease”“cardiac pathology”“central nervous system”“nephropathy”Due to its extreme virulence, COVID-19 virus has rapidly spread, developing a severe pandemic. SARS-COV-2 mostly affected the respiratory tract, ...
With a viral disease like COVID, a drug considered for repurposing should show one of these three qualities: it should either be able to inhibit one or more stages of the coronavirus's replication cycle; relieve the bad effects of the virus; or manipulate the immune system so that the body...
COVID-19(新型冠状病毒肺炎) is a dangerous disease for people. It can kill people, especially old ones. Here are some things you should do and shouldn’t do. Should Do Shouldn’t Do Take exercise and have enough sleep. Don’t stay up late at night or work too long. Often wash your...
6 . What is COVID? It means the novel Coron a Virus Disease. Because the virus (病毒) looks like a crown (皇冠). It is very contagious (传染性强的). It was first discovered in Wuhan in 【小题1】 2019. And soon the virus spread to the whole country and even the whole 【小题2...
The Covid-19 epidemic is a major public health emergency. The virus has spread faster and wider than any other since the founding of the People’s Republic in 1949, and has proven to be the most difficult to contain. It is both a crisis and a major test for China. The Communist ...
A Positive nucleic acid test+absence of fever,cough,sore throat,debilitation,hypogeusia,and other symptoms+lung CT scan also no pneumonia manifestations=asymptomatic infection. That is,the patient carries the covid-19,but ...
COVID Omicron Variant: How Did It Emerge and Is It More Contagious Than Delta? A Virus Evolution Expert Explains 18 Months of the COVID-19 Pandemic – Are We Doing Anything Right? What Is Causing All These New Coronavirus Variants? Is It the COVID–19 V...