The C D C defines an epidemic流行 as an increase, often sudden, in the number of cases of a disease above what is normally expected in that population in that are a The official definition of a pandemic 大流行病 is "
the total number of cases of a disease in a given population at a specific time ()A.dispelB.morbidityC.prevalenceD.relegate的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shuashuati.com)是专业的大学职业搜题找答案,刷题练习的工具.一键将文档转化为在线题库手
这可能是穿山甲,一种有鳞的食蚁兽,在中国有时被当作美味佳肴食用),这里没有提到蝙蝠,排除D项;A number of the earliest cases occurred in people who worked at the Huanan Seafood Wholesale Market.(一些最早的病例发生在华南海鲜批发市场的工作人员身上),这里提到疾病是首次在人类上发现,不是动物,排除A,选B。
These data were correlated in the AD group with the disease progression, as well as with the age at onset. Unexpectedly, we found a significant higher number of pregnancies in the AD than in the control group. Within the AD cases, the number of lifetime pregnancies is related to an ...
An epidemic is the occurrence of a disease which affects a very large number of people living in an area and which spreads quickly to other people. Like infectious diseases, ideas in the academic world are spreadable. But why some travel far and wide while equally good ones remain in relativ...
The past few months have seen many parts of the world, including Europe and North America, continue their journey toward endemic COVID-19. While the BA.5 subvariant has produced a rise in the number of cases in many places, the burden of severe disease remains low in Europe and is only...
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Experts believe that the large number of disease cases in the area is directly related the polluted water. 相关知识点: 试题来源: 解析 1.to 句意:专家认为,该地区大量的疾病病例与受污染的水直接相关。be related to 与……有关。反馈 收藏
Therefore the number of cases will increase more quickly than before. The mutated virus does not appear to be more lethal than the current strain. It appears the mutant virus is not resistant to vaccines. It is very important to keep wearing masks and maintaining social dist...
3. A) People were concerned about the number of bees. B) Several cases of Zika disease had been identified. C) Two million bees were infected with disease. D) Zika virus had destroyed some bee farms.相关知识点: 试题来源: 解析 3.Why were spraying operations carried out in Dorchester ...