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Modeling the epidemic dynamics and control of COVID-19 outbreak in China: Shilei Zhao Hua Chen; 《Quantitative Biology》 2020年第1期8卷 11-19页; Background:The coronavirus disease 2019(COVID-19)is rapidly spreading in China and more than 30 countries over last two ***-19 has multiple characteristics distinct from other infectious diseases,including high infectivity during incubation,time delay between real dynamics and daily observed number of confirmed cases,and the intervention effects of implemented quarantine and control ***:We develop a Susceptible,Un-quanrantined infected,Quarantined infected,Confirmed infected(SUQC)model to cha...; Background:The coronavirus disease 2019(COVID-19)is rapidly spreading in China and more than 30 countries over last two ***-19 has multiple characteristics distinct from other infectious diseases,including high infectivity during incubation,time delay between real dynamics and daily observed number of confirmed cases,and the intervention effects of implemented quarantine and control ***:We develop a Susceptible,Un-quanrantined infected,Quarantined infected,Confirmed infected(SUQC)model to characterize the dynamics of COVID-19 and explicitly parameterize the intervention effects of control measures,which is more suitable for analysis than other existing epidemic ***:The SUQC model is applied to the daily released data of the confirmed infections to analyze the outbreak of COVID-19 in Wuhan,Hubei(excluding Wuhan),China(excluding Hubei)and four first-tier cities of *** found that,before January 30,2020,all these regions except Beijing had a reproductive number R>\,and after January 30,all regions had a reproductive number/?<1,indicating that the quarantine and control measures are effective in preventing the spread of *** confirmation rate of Wuhan estimated by our model is 0.0643,substantially lower than that of Hubei excluding Wuhan(0.1914),and that of China excluding Hubei(0.2189),but it jumps to 0.3229 after February 12 when clinical evidence was adopted in new diagnosis *** number of unquarantined infected cases in Wuhan on February 12,2020 is estimated to be 3,509 and declines to 334 on February 21,*** fitting the model with data as of February 21,2020,we predict that the end time of COVID-19 in Wuhan and Hubei is around late March,around mid March for China excluding Hubei,and before early March 2020 for the four tier-one cities.A total of 80,511 individuals are estimated to be infected in China,among which 49,510 are from Wuhan,17,679 from Hubei(excluding Wuhan),and the rest 13,322 from other regi; 关键词： coronavirus disease 2019 SARS-CoV-2 epidemic model; 来源： Wiley期刊

ITW Covid Security Group Inc: Beauty Packaging; 《Beauty Packaging》 2012年第2期17卷 62-62页; The article presents a corporate profile of Cranbury, New Jersey-based ITW Covid Brand Protection, a division of ITW Covid Security Group Inc., a company that designs and manufactures unique brand protection solutions. It states that the company offers state-of-the-art security solutions for diverse applications and markets to aid brand owners against counterfeiting, tampering and diversion. As a result of its extensive history, it has proven its brand security product developments.; The article presents a corporate profile of Cranbury, New Jersey-based ITW Covid Brand Protection, a division of ITW Covid Security Group Inc., a company that designs and manufactures unique brand protection solutions. It states that the company offers state-of-the-art security solutions for diverse applications and markets to aid brand owners against counterfeiting, tampering and diversion. As a result of its extensive history, it has proven its brand security product developments.; 关键词： Product management Product counterfeiting prevention; 来源：

COVID-19: preparing for superspreader potential among Umrah pilgrims to Saudi Arabia: Ebrahim, Shahul H. Memish, Ziad A.; 《LANCET》 2020年第10227期395卷 E48-E48页; 来源：

Looming threat of COVID-19 infection in Africa: act collectively, and fast: Nkengasong, John N. Mankoula, Wessam; 《LANCET》 2020年第10227期395卷 841-842页; Because of the high volume of air traffic and trade between China and Africa,1 Africa is at a high risk for the introduction and spread of the novel coronavirus disease 2019 (COVID-19); although only Egypt has reported the first case, from a non-national.2 The greatest concern for public health experts is whether COVID-19 will become a pandemic, with sustained year-round transmission, similar to influenza, as is now being observed in several countries.3 What might happen to Africa—where most...; Because of the high volume of air traffic and trade between China and Africa,1 Africa is at a high risk for the introduction and spread of the novel coronavirus disease 2019 (COVID-19); although only Egypt has reported the first case, from a non-national.2 The greatest concern for public health experts is whether COVID-19 will become a pandemic, with sustained year-round transmission, similar to influenza, as is now being observed in several countries.3 What might happen to Africa—where most countries have weak health-care systems, including inadequate surveillance and laboratory capacity, scarcity of public health human resources, and limited financial means—if a pandemic occurs?The partnership has six work streams: laboratory diagnosis and subtyping; surveillance, including screening at points of entry and cross-border activities; infection prevention and control in health-care facilities; clinical management of people with severe COVID-19; risk communication; and supply-chain management and stockpiles.Because mitigating the potential spread of COVID-19 in Africa will require rapid detection and containment, the laboratory work streams of AFTCOR, Africa CDC, and WHO are working closely to expeditiously scale up diagnostic testing capacity linked to enhanced surveillance and monitoring—eg, at the beginning of February, only two countries in Africa had the diagnostic capacity to test for COVID-19.[...]commitment and release of financial resources from partners and donors before a crisis hits Africa will help anticipate demand and address supply chain management, mapping, and stockpiling of COVID-19 response needs, such as large quantities of personal protective equipment, gloves, surgical masks, coveralls, and hoods, and medical countermeasures like antiviral agents.; 关键词：; 来源：

Back to the spring of 2020: facts and hope of COVID-19 outbreak: Guangbiao Zhou Saijuan Chen Zhu Chen; 《Frontiers of Medicine》 2020年第2期14卷 113-116页; Since December 2019,an atypical pneumonia has occurred in Wuhan,a beautiful city located at the center of China(Fig.1),and the whole *** origin of the disease remains unclear and the suspected Huanan Seafood Wholesale Market was closed on January 1,*** rapidly,a novel coronavirus was isolated and named first the 2019 novel coronavirus(2019-nCoV)[1]and subsequently severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)[2],and is suggested to be named as human coronavirus 2019(HCoV-19)[3]....; Since December 2019,an atypical pneumonia has occurred in Wuhan,a beautiful city located at the center of China(Fig.1),and the whole *** origin of the disease remains unclear and the suspected Huanan Seafood Wholesale Market was closed on January 1,*** rapidly,a novel coronavirus was isolated and named first the 2019 novel coronavirus(2019-nCoV)[1]and subsequently severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)[2],and is suggested to be named as human coronavirus 2019(HCoV-19)[3].Meanwhile,the disease is chronologically called pneumonia of unknown origin,novel coronavirus pneumonia(NCP),and coronavirus disease-2019(COVID-19)(Fig.2).Superspreading events of this virus have also taken place on the Diamond Princess cruise off the coast of Yokohama,Japan[4].The Chinese central[5]and local governments[6]have been endeavoring unprecedented efforts to constrain the outbreak,and more than 30000 medical professionals especially doctors and nurses outside Wuhan have been joining the local ones to handle this emergency.; 关键词： nurse acute outside; 来源：

Outbreak of novel coronavirus (COVID-19): What is the role of radiologists?: Kim, Hyungjin; 《EUROPEAN RADIOLOGY》 2020年第6期30卷 3266-3267页; Key Points • Novel coronavirus (COVID-19)-infected pneumonia usually manifests as bilateral ground-glass opacities in the lung periphery on chest CT scans. • Role of radiologists includes not only early detection of lung abnormality, but also suggestion of disease severity, potential progression to acute respiratory distress syndrome, and possible bacterial co-infection in hospitalized patients.; Key Points • Novel coronavirus (COVID-19)-infected pneumonia usually manifests as bilateral ground-glass opacities in the lung periphery on chest CT scans. • Role of radiologists includes not only early detection of lung abnormality, but also suggestion of disease severity, potential progression to acute respiratory distress syndrome, and possible bacterial co-infection in hospitalized patients.; 关键词：; 来源：

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