Academic literature on the topic 'Basic reproduction ratio'

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Journal articles on the topic "Basic reproduction ratio"

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Li, Yunfei, Rui Xu, Zhe Li, and Shuxue Mao. "Global Dynamics of a Delayed HIV-1 Infection Model with CTL Immune Response." Discrete Dynamics in Nature and Society 2011 (2011): 1–13. http://dx.doi.org/10.1155/2011/673843.

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A delayed HIV-1 infection model with CTL immune response is investigated. By using suitable Lyapunov functionals, it is proved that the infection-free equilibrium is globally asymptotically stable if the basic reproduction ratio for viral infection is less than or equal to unity; if the basic reproduction ratio for CTL immune response is less than or equal to unity and the basic reproduction ratio for viral infection is greater than unity, the CTL-inactivated infection equilibrium is globally asymptotically stable; if the basic reproduction ratio for CTL immune response is greater than unity,
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Adler, Frederick R. "The effects of averaging on the basic reproduction ratio." Mathematical Biosciences 111, no. 1 (1992): 89–98. http://dx.doi.org/10.1016/0025-5564(92)90080-g.

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Wang, Haibin, and Rui Xu. "Stability and Hopf Bifurcation in an HIV-1 Infection Model with Latently Infected Cells and Delayed Immune Response." Discrete Dynamics in Nature and Society 2013 (2013): 1–12. http://dx.doi.org/10.1155/2013/169427.

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An HIV-1 infection model with latently infected cells and delayed immune response is investigated. By analyzing the corresponding characteristic equations, the local stability of each of feasible equilibria is established and the existence of Hopf bifurcations at the CTL-activated infection equilibrium is also studied. By means of suitable Lyapunov functionals and LaSalle’s invariance principle, it is proved that the infection-free equilibrium is globally asymptotically stable if the basic reproduction ratio for viral infectionR0≤1; if the basic reproduction ratio for viral infectionR0>1and
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Turner, Joanne, Roger G. Bowers, and Matthew Baylis. "Two-Host, Two-Vector Basic Reproduction Ratio (R0) for Bluetongue." PLoS ONE 8, no. 1 (2013): e53128. http://dx.doi.org/10.1371/journal.pone.0053128.

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Massad, Eduardo, Francisco Antonio Bezerra Coutinho, Hyan Mo Yang, Heráclito Barbosa De Carvalho, Fábio Mesquita, and Marcelo Nascimento Burattini. "The basic reproduction ratio of HIV among intravenous drug users." Mathematical Biosciences 123, no. 2 (1994): 227–47. http://dx.doi.org/10.1016/0025-5564(94)90013-2.

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Auger, Pierre, Ali Moussaoui, and Gauthier Sallet. "Basic Reproduction Ratio for a Fishery Model in a Patchy Environment." Acta Biotheoretica 60, no. 1-2 (2012): 167–88. http://dx.doi.org/10.1007/s10441-012-9155-3.

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Diekmann, O., K. Dietz, and J. A. P. Heesterbeek. "The basic reproduction ratio for sexually transmitted diseases: I. theoretical considerations." Mathematical Biosciences 107, no. 2 (1991): 325–39. http://dx.doi.org/10.1016/0025-5564(91)90012-8.

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Bessho, Kazuhiro. "Stable demographic ratios of haploid gametophyte to diploid sporophyte abundance in macroalgal populations." PLOS ONE 19, no. 3 (2024): e0295409. http://dx.doi.org/10.1371/journal.pone.0295409.

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Macroalgal populations often consist of free-living haploid (gametophyte) and diploid (sporophyte) stages. Various ecological studies have been conducted to examine the demographic diversity of haploid-diploid populations with regard to the dominant stage. Here, I relaxed the assumption of classical research that the life history parameters of haploids and diploids are identical and developed a generalized haploid-diploid model that explicitly accounts for population density dependence and asexual reproduction. Analysis of this model yielded an exact solution for the abundance ratio of haploid
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Abu Hassan, Suzanawati, Yeong Kin Teoh, Diana Sirmayunie Mohd Nasir, and Nur Shamira Sharil. "Simulation of COVID-19 Trend in Selangor via SIR Model of Infectious Disease." Journal of Computing Research and Innovation 7, no. 2 (2022): 294–303. http://dx.doi.org/10.24191/jcrinn.v7i2.322.

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Coronavirus Disease 2019 (COVID-19) was initially reported in December 2019 in Wuhan City, China, as a result of a respiratory pandemic. Since then, the infection has spread rapidly and uncontrollably around the globe, prompting the World Health Organization (WHO) to declare it a pandemic. The study's overall objective is to imitate the COVID-19 infectious trend in Selangor. The SIR model is used to forecast infection and the course of COVID-19 diffusion and estimate the fraction of the population infected. As a result, the Susceptible, Infectious, and Recovered (SIR) model was used to accompl
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Zhang, Lei, and Xiao-Qiang Zhao. "Asymptotic Behavior of the Basic Reproduction Ratio for Periodic Reaction-Diffusion Systems." SIAM Journal on Mathematical Analysis 53, no. 6 (2021): 6873–909. http://dx.doi.org/10.1137/20m1366344.

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Dissertations / Theses on the topic "Basic reproduction ratio"

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Evcin, Cansu. "Analysis Of Threshold Dynamics Of Epidemic Models In A Periodic Environment." Master's thesis, METU, 2013. http://etd.lib.metu.edu.tr/upload/12615565/index.pdf.

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Threshold dynamics used to control the spread of the disease in infectious disease phenomena has an overwhelming importance and interest in mathematical epidemiology. One of the famous threshold quantity is known to be the basic reproduction ratio. Its formulation as well as computation is the main concern of infectious diseases. The aim of this thesis is to analyze the basic reproduction ratio in both autonomous and periodic systems via defining R0 as the spectral radius of the next generation operator. This thesis presents the vector host model for the diseases Dengue fever and avian influen
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Montazeri, Shahtori Narges. "Quantifying the impact of contact tracing on ebola spreading." Thesis, Kansas State University, 2016. http://hdl.handle.net/2097/34540.

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Master of Science<br>Department of Electrical and Computer Engineering<br>Faryad Darabi Sahneh<br>Recent experience of Ebola outbreak of 2014 highlighted the importance of immediate response to impede Ebola transmission at its very early stage. To this aim, efficient and effective allocation of limited resources is crucial. Among standard interventions is the practice of following up with physical contacts of individuals diagnosed with Ebola virus disease -- known as contact tracing. In an effort to objectively understand the effect of possible contact tracing protocols, we explicitly develop
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Books on the topic "Basic reproduction ratio"

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Jones, Menna, Chris Dickman, and Mike Archer. Predators with Pouches. CSIRO Publishing, 2003. http://dx.doi.org/10.1071/9780643069862.

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Predators with Pouches provides a unique synthesis of current knowledge of the world’s carnivorous marsupials—from Patagonia to New Guinea and North America to Tasmania. Written by 63 experts in each field, the book covers a comprehensive range of disciplines including evolution and systematics, reproductive biology, physiology, ecology, behaviour and conservation.&#x0D; Predators with Pouches reveals the relationships between the American didelphids and the Australian dasyurids, and explores the role of the marsupial fauna in the mammal community. It introduces the geologically oldest marsupi
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Book chapters on the topic "Basic reproduction ratio"

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Zhao, Xiao-Qiang. "The Theory of Basic Reproduction Ratios." In CMS Books in Mathematics. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-56433-3_11.

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Diekmann, Odo, Hans Heesterbeek, and Tom Britton. "The basic reproduction number." In Mathematical Tools for Understanding Infectious Disease Dynamics. Princeton University Press, 2012. http://dx.doi.org/10.23943/princeton/9780691155395.003.0007.

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The basic reproduction number (or ratio) R₀ is arguably the most important quantity in infectious disease epidemiology. It is among the quantities most urgently estimated for infectious diseases in outbreak situations, and its value provides insight when designing control interventions for established infections. From a theoretical point of view R₀ plays a vital role in the analysis of, and consequent insight from, infectious disease models. There is hardly a paper on dynamic epidemiological models in the literature where R₀ does not play a role. R₀ is defined as the average number of new case
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Giddins, Gary. "Fetishizing the LP (Verve Miniatures)." In Weather Bird. Oxford University PressNew York, NY, 2006. http://dx.doi.org/10.1093/oso/9780195304497.003.0116.

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Abstract Old recording artifacts die hard, their value increasing in ratio to the emotional coldness of their replacements. Last year, box sets of Billie Holiday and Charley Patton mimicked 78-rpm albums. Many CDs replicate original LPs, in cardboard or paper-modified jewel boxes—among them series from Savoy, Sony, Impulse, and Verve. Verve was the first to offer miniaturization with The Complete Ella Fitzgerald Songbooks, which remains one of the most delectable of reissues, a shrunken version of the original albums that seemed remarkably witty in 1993. Since then, Verve has specialized in am
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Crozier, Ross H., and Pekka Pamilo. "Intra-colony conflicts over sex-allocation." In Evolution of Social Insect Colonies. Oxford University PressOxford, 1996. http://dx.doi.org/10.1093/oso/9780198549437.003.0005.

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Abstract The relatedness asymmetries to which social Hymenoptera are prone lead inevitably to a conflict of interest over the basic function of the colony: the reproduction of the genetic material. The queens and workers will be selected to favour different patterns of investments between the new queens and males, and colony maintenance. Factors affecting the relatedness structure of colonies and of populations will inevitably affect the results of this conflict. Such factors include whether or not the workers produce any of the males (thus affecting relatedness structure) and whether queenles
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Moore, Janice. "Behavioral Alterations and Parasite Transmission." In Parasites and the Behavior of Animals. Oxford University PressNew York, NY, 2002. http://dx.doi.org/10.1093/oso/9780195084412.003.0003.

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Abstract As we have seen, parasites are transmitted in a variety of ways, and almost all major transmission modes offer examples of transmission-enhancing behavioral alterations that are associated with parasitism. In May and Anderson’s (1992, and references therein) Basic Model, an increase in transmission rate results in an increase in reproductive ratio if everything else is equal. Thus, when parasites induce such behavioral alterations, not only may they be favored by natural selection, but several aspects of parasite epidemiology, including host population levels necessary for their estab
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"Paddlefish Management, Propagation, and Conservation in the 21st Century." In Paddlefish Management, Propagation, and Conservation in the 21st Century, edited by PATRICK J. BRAATEN, DAVID B. FULLER, and RYAN D. LOTT. American Fisheries Society, 2009. http://dx.doi.org/10.47886/9781934874127.ch7.

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&lt;em&gt;Abstract&lt;/em&gt;.—A reproducing population of paddlefish &lt;em&gt;Polyodon spathula &lt;/em&gt;in the upper Missouri River basin of Montana and North Dakota has spawning access to the free-flowing Yellowstone River, the thermally and hydrologically impacted Missouri River below Fort Peck Dam, and the Milk River (a tributary to the Missouri River below Fort Peck Dam). In this study, we quantified paddlefish spawning migrations into these potential spawning areas based on 4 years (2002–2005) of telemetry information and quantified spawning success based on collections of larvae ove
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Soni Singh, Dr. "COPPER DEFICIENCY AFFECTS ON MORPHOLOGY AND REPRODUCTIVE BIOLOGY OF BLACKGRAM." In Futuristic Trends in Agriculture Engineering & Food Sciences Volume 3 Book 1. Iterative International Publisher, Selfypage Developers Pvt Ltd, 2024. http://dx.doi.org/10.58532/v3bcagp1ch33.

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Black gram(Vigna mungo L)CV T-9plants were grown till maturity i. e. 74days at 0.0065, 0.013(deficient) and0.065(adequate)mg cu l-1 of cu in refined sand. Cu deficiency i. e. 0.0065,0.013 cu l-1 caused phenotypes are that Compared to control 0.065mg cul-1 cu supply the plants were stunted ,leaves were discoloured and old leaves became.Necrotic and withered and the number of flowers, pods and seeds are highly reduced. The size and number of pods were significantly reduced in cu deficiency. The seed weight marginally decreased at both the cu deficient levels. All the stages of determinations(day
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Danylcenko, Olesia, and Mykola Radchenko. "PECULIARITIES OF LEGUME SEEDS YIELD FORMATION AND WAYS TO IMPROVE THEIR QUALITY." In Science, technology and innovation in the context of global transformation. Publishing House “Baltija Publishing”, 2024. https://doi.org/10.30525/978-9934-26-499-3-1.

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An important task of modern agricultural production is the formation of plant protein resources. Among various agricultural crops, legumes take a leading place in the raw material balance of the country, ensuring the production of protein products for food and fodder. In connection with the decrease in the production of livestock products, great attention should be paid to the problem of increasing the production of legumes rich in proteins. In the conditions of a steady tendency to narrow the list of main crops, it is important to maintain the species range of legumes, which ensures the growt
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Conference papers on the topic "Basic reproduction ratio"

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WYSE, ANA PAULA P., LUIZ BEVILACQUA, and MARAT RAFIKOV. "THE BASIC REPRODUCTION RATIO FOR A MALARIA MODEL." In Proceedings of the International Symposium on Mathematical and Computational Biology. WORLD SCIENTIFIC, 2006. http://dx.doi.org/10.1142/9789812773685_0014.

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Soewono, E., and D. Aldila. "A survey of basic reproductive ratios in vector-borne disease transmission modeling." In SYMPOSIUM ON BIOMATHEMATICS (SYMOMATH 2014). AIP Publishing LLC, 2015. http://dx.doi.org/10.1063/1.4914426.

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Sugiarto, I., T. Limansyah, and C. R. Etta. "Sensitivity analysis of basic reproduction number on the HIV/AIDS disease transmission model with education and treatment." In 24TH TOPICAL CONFERENCE ON RADIO-FREQUENCY POWER IN PLASMAS. AIP Publishing, 2023. http://dx.doi.org/10.1063/5.0158430.

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Riad, Mahbubul H., Caterina M. Scoglio, D. Scott McVey, and Lee W. Cohnstaedt. "Estimation of parameters and basic reproductive ratio for Japanese encephalitis transmission in the Philippines using a sequential Monte Carlo filter." In 2017 IEEE Conference on Control Technology and Applications (CCTA). IEEE, 2017. http://dx.doi.org/10.1109/ccta.2017.8062539.

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Tamtomo, Didik Gunawan, and Vitri Widyaningsih. "Determinants of Fertility in Indonesia: An Analysis from Basic Life Survey Data Year 2017." In The 7th International Conference on Public Health 2020. Masters Program in Public Health, Universitas Sebelas Maret, 2020. http://dx.doi.org/10.26911/the7thicph.03.99.

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ABSTRACT Background: Indonesia is in the fourth position with the largest population in the world (274 million people) after China, India, and the United States. Currently, Indonesia is experiencing a demographic bonus and also has a high dependency ratio (46.6%). It resulting in heavy burdens that must be borne by the productive age population to finance the lives of the unproductive population. The high population in Indonesia is determined by the high number of children born alive. The purpose of this study was to examine the determinants of fertility in Indonesia. Subjects and Method: A cr
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