百度试题 结果1 题目3. COVID-19spread(spread) quickly around the world last year. 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
"These patients apparently contracted the illness from community spread. This suggests that the virus was circulating in the Bay Area in January at least, probably earlier," Jeffrey V. Smith, Santa Clara county executive, told Xinhua. LOS ANGELES, April 24 (Xinhua) -- The novel coronavirus spr...
It's reported that the source of this transmission chain is very likely to be contaminated imported goods in the transfer station, which infected some of the personnel handling the goods and then spread among other peopl...
First, the United States is "way-behind" the cycle as yet in getting to terms with confronting the virus's rapid spread, "the wider the spread, the greater the damage" to aggregate demand down the line. Second, markets are "understandably in panic mode" because the depth of spread and ...
The analysis shows the virus must have spread extremely quickly after the first infection was reported in Wuhan last December. Researchers found genetic evidence that supports suspicions the virus was infecting people in Europe, the US and elsewhere weeks or even months before the first official case...
"We are concerned that people may think they are fully protected by following the current recommendations, but in fact, additional airborne precautions are needed to further reduce the spread of the virus." "It is Time to Address Airborne Transmission of COVID-19" is due to be published inCl...
“We all have a shared responsibility to help protect those at highest risk,” Tam said in a statement. “When spread of COVID-19 is kept to low levels in the community this decreases the risk of exposure for older Canadians.”
We combine COVID-19 case data with mobility data to estimate a modified susceptible-infected-recovered (SIR) model in the United States. In contrast to a standard SIR model, we find that the incidence of COVID-19 spread is concave in the number of infectious individuals, as would be expect...
科学家研发实验性口香糖，或可减少新冠病毒传播 Could a Chewing Gum Reduce COVID-19 Spread? Researchers Believe It Can 美国宾夕法尼亚大学的一项新研究表明，含有高水平血管紧张素转换酶2（ACE2）蛋白的口香糖可“捕获”新冠病毒，减少唾液中的病毒载量，并有可能抑制传播，成为一种低成本的抗疫“武器”。按照...
The spread of coronavirus around the globe is "much, much worse" than seen with Ebola, according to the man who helped discover the earlier disease. Professor Peter Piot, director of the London School of Hygiene and Tropical Medicine, told Sky News that the outbreak ofCOVID-19, the disease...