Serial interval of novel coronavirus (COVID-19) infections.
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TLDR
The serial interval of COVID-19 is close to or shorter than its median incubation period, indicating that a substantial proportion of secondary transmission may occur prior to illness onset and that calculations made using the SARS serial interval may introduce bias.Citations
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Estimating data-driven coronavirus disease 2019 mitigation strategies for safe university reopening
TL;DR: An agent-based model to simulate the spread of severe acute respiratory syndrome coronavirus 2 in university settings is developed and it is estimated that at least 80% of the university population immunized through natural infection or vaccination is needed for safe university reopening with relaxed non-pharmaceutical interventions (NPIs).
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Predicting the time course of replacements of SARS-CoV-2 variants using relative reproduction numbers
Chayada Piantham,K. Ito +1 more
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TL;DR: Maintaining restrictive measures and increasing the proportion of the immune population may significantly reduce the risks of increasing the spread of COVID-19 in the Omsk Region.
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Epidemiology and Genetic Analysis of SARS-CoV-2 in Myanmar during the Community Outbreaks in 2020
Wint Wint Phyu,Reiko Saito,Keita Wagatsuma,Takashi Abe,Htay Htay Tin,Eh Htoo Pe,Su Mon Win,Nay Win,Lasham Di Ja,Sekizuka Tsuyoshi,Kuroda Makoto,Yadanar Kyaw,Irina Chon,Shinji Watanabe,Hideki Hasegawa,Hisami Watanabe +15 more
TL;DR: Analyzing the situation of the first two epidemic waves in Myanmar using the publicly available daily situation of COVID-19 and whole-genome sequencing data of SARS-CoV-2 showed that the first wave was caused by GISAID clade O or PANGOLIN lineage B.1.6 and the second wave was changed to clade GH or lineage A.
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Patient delay in a coronavirus disease 2019 (COVID-19) outbreak in Tianjin, China from January to February 2020.
TL;DR: Wang et al. as mentioned in this paper evaluated the extent of patient delay, explore its factors, and investigate the effects of patient interval on epidemic situation, finding that the longer the patient intervals of lagging days, the greater the number of new-onset and confirmed cases in 3-4 and 5-7 days after the first day symptoms, respectively.
References
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Early Transmission Dynamics in Wuhan, China, of Novel Coronavirus-Infected Pneumonia.
Qun Li,Xuhua Guan,Peng Wu,Xiaoye Wang,Lei Zhou,Yeqing Tong,Ruiqi Ren,Kathy Leung,Eric H. Y. Lau,Jessica Y. Wong,Xuesen Xing,Nijuan Xiang,Yang Wu,Chao Li,Chen Qi,Dan Li,Tian Liu,Jing Zhao,Man Liu,Wenxiao Tu,Chuding Chen,Lianmei Jin,Rui Yang,Qi Wang,Suhua Zhou,Rui Wang,Hui Liu,Yingbo Luo,Yuan Liu,Ge Shao,Huan Li,Zhongfa Tao,Yang Yang,Yang Yang,Zhiqiang Deng,Boxi Liu,Zhitao Ma,Yanping Zhang,Guoqing Shi,Tommy Tsan-Yuk Lam,Joseph T. Wu,George F. Gao,George F. Gao,Benjamin J. Cowling,Bo Yang,Gabriel M. Leung,Zijian Feng +46 more
TL;DR: There is evidence that human-to-human transmission has occurred among close contacts since the middle of December 2019 and considerable efforts to reduce transmission will be required to control outbreaks if similar dynamics apply elsewhere.
Journal ArticleDOI
Transmission of 2019-nCoV Infection from an Asymptomatic Contact in Germany.
Camilla Rothe,Mirjam Schunk,Peter Sothmann,Gisela Bretzel,Guenter Froeschl,Claudia Wallrauch,Thorbjörn Zimmer,Verena Thiel,Christian Janke,Wolfgang Guggemos,M Seilmaier,Christian Drosten,Patrick Vollmar,Katrin Zwirglmaier,Sabine Zange,Roman Wölfel,Michael Hoelscher +16 more
TL;DR: Investigators in Germany detected the spread of the novel coronavirus (2019-nCoV) from a person who had recently traveled from China and found it to be a novel virus.
Journal ArticleDOI
Transmission Dynamics and Control of Severe Acute Respiratory Syndrome
Marc Lipsitch,Ted Cohen,Ben S. Cooper,James M. Robins,Stefan Ma,Lyn James,Gowri Gopalakrishna,Suok Kai Chew,Chorh Chuan Tan,Matthew H. Samore,David N. Fisman,Megan Murray +11 more
TL;DR: It is estimated that a single infectious case of SARS will infect about three secondary cases in a population that has not yet instituted control measures, and public-health efforts to reduce transmission are expected to have a substantial impact on reducing the size of the epidemic.
Journal ArticleDOI
Incubation period and other epidemiological characteristics of 2019 novel coronavirus infections with right truncation: A statistical analysis of publicly available case data
Natalie M. Linton,Tetsuro Kobayashi,Yichi Yang,Katsuma Hayashi,Andrei R. Akhmetzhanov,Sung-mok Jung,Baoyin Yuan,Ryo Kinoshita,Hiroshi Nishiura +8 more
TL;DR: The incubation period falls within the range of 2–14 days with 95% confidence and has a mean of around 5 days when approximated using the best-fit lognormal distribution and it is recommended that the length of quarantine should be at least 14 days.
Journal ArticleDOI
Factors that make an infectious disease outbreak controllable.
TL;DR: It is concluded that severe acute respiratory syndrome and smallpox are easier to control using these simple public health measures and should be a priority during an outbreak of a novel infectious agent.
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