Results 11 to 20 of about 826,967 (302)

Rapid epidemic expansion of the SARS-CoV-2 Omicron variant in southern Africa

Nature, 2021
The SARS-CoV-2 epidemic in southern Africa has been characterized by three distinct waves. The first was associated with a mix of SARS-CoV-2 lineages, while the second and third waves were driven by the Beta (B.1.351) and Delta (B.1.617.2) variants ...
R. Viana, S. Moyo, D. Amoako, H. Tegally, C. Scheepers, C. Althaus, U. J. Anyaneji, P. Bester, M. F. Boni, M. Chand, W. Choga, R. Colquhoun, M. Davids, K. Deforche, D. Doolabh, L. du Plessis, S. Engelbrecht, J. Everatt, J. Giandhari, M. Giovanetti, D. Hardie, V. Hill, N. Hsiao, A. Iranzadeh, A. Ismail, Charity Joseph, R. Joseph, Legodile Koopile, S. K. Kosakovsky Pond, M. Kraemer, Lesego Kuate-Lere, O. Laguda-Akingba, Onalethatha Lesetedi-Mafoko, R. Lessells, S. Lockman, Alexander G. Lucaci, Arisha Maharaj, Boitshoko Mahlangu, Tongai Gibson Maponga, Kamela Mahlakwane, Z. Makatini, G. Marais, D. Maruapula, K. Masupu, M. Matshaba, S. Mayaphi, N. Mbhele, Mpaphi B. Mbulawa, A. Mendes, K. Mlisana, A. Mnguni, T. Mohale, M. Moir, Kgomotso Moruisi, M. Mosepele, Gerald Motsatsi, M. Motswaledi, T. Mphoyakgosi, N. Msomi, Peter N. Mwangi, Y. Naidoo, Noxolo N. Ntuli, M. Nyaga, Lucier Olubayo, S. Pillay, Botshelo Radibe, Yajna Ramphal, U. Ramphal, J. E. San, L. Scott, R. Shapiro, L. Singh, P. Smith-Lawrence, W. Stevens, A. Strydom, K. Subramoney, N. Tebeila, D. Tshiabuila, J. Tsui, Stephanie van Wyk, S. Weaver, C. K. Wibmer, E. Wilkinson, N. Wolter, A. Zarebski, Boitumelo J. L. Zuze, D. Goedhals, W. Preiser, F. Treurnicht, M. Venter, C. Williamson, O. Pybus, J. Bhiman, A. Glass, D. Martin, A. Rambaut, S. Gaseitsiwe, A. von Gottberg, Túlio de Oliveira   +98 more
semanticscholar   +1 more source

Epidemic processes in complex networks [PDF]

arXiv.org, 2014
In recent years the research community has accumulated overwhelming evidence for the emergence of complex and heterogeneous connectivity patterns in a wide range of biological and sociotechnical systems. The complex properties of real-world networks have
R. Pastor-Satorras, C. Castellano, P. Mieghem, Alessandro Vespignani   +3 more
semanticscholar   +1 more source

The COVID‐19 epidemic

Tropical medicine & international health, 2020
The current outbreak of the novel coronavirus Covid-19 (coronavirus disease 2019; previously 2019-nCoV), epi-centered in Hubei Province of the People's Republic of China, has spread to many other countries.
T. Velavan, C. G. Meyer
semanticscholar   +1 more source

Epidemic spreading in scale-free networks. [PDF]

Physical Review Letters, 2000
The Internet has a very complex connectivity recently modeled by the class of scale-free networks. This feature, which appears to be very efficient for a communications network, favors at the same time the spreading of computer viruses.
R. Pastor-Satorras, Alessandro Vespignani   +1 more
semanticscholar   +1 more source

Epidemic analysis of COVID-19 in China by dynamical modeling [PDF]

medRxiv, 2020
The outbreak of the novel coronavirus (2019-nCoV) epidemic has attracted world- wide attention. Herein, we propose a mathematical model to analyzes this epidemic, based on a dynamic mechanism that incorporating the intrinsic impact of hidden la- tent and
Liangrong Peng, Wuyue Yang, Dongyang Zhang, Changjing Zhuge, L. Hong   +4 more
semanticscholar   +1 more source

Immune responses in COVID-19 and potential vaccines: Lessons learned from SARS and MERS epidemic.

Asian Pacific Journal of Allergy and Immunology, 2020
As the world is witnessing the epidemic of COVID-19, a disease caused by a novel coronavirus, SARS-CoV-2, emerging genetics and clinical evidences suggest a similar path to those of SARS and MERS.
E. Prompetchara, C. Ketloy, T. Palaga
semanticscholar   +1 more source

The Global Epidemic of the Metabolic Syndrome

Current Hypertension Reports, 2018
Metabolic syndrome, variously known also as syndrome X, insulin resistance, etc., is defined by WHO as a pathologic condition characterized by abdominal obesity, insulin resistance, hypertension, and hyperlipidemia.
M. Saklayen
semanticscholar   +1 more source

Human mobility and poverty as key drivers of COVID-19 transmission and control

BMC Public Health, 2021
Background Applying heavy nationwide restrictions is a powerful method to curtail COVID-19 transmission but poses a significant humanitarian and economic crisis.
Matan Yechezkel, Amit Weiss, Idan Rejwan, Edan Shahmoon, Shachaf Ben-Gal, Dan Yamin   +5 more
doaj   +1 more source

The spatial distribution and breeding behavior of neighbors affect the reproductive success of tits

Avian Research, 2022
The spatial distribution and breeding behavior of neighboring birds (conspecific and heterospecific) may influence reproduction and the effects differ across species.
Yiting Jiang, Yujia Bi, Ruiyao Ma, Jing Zhang, Dongmei Wan   +4 more
doaj   +1 more source

Spread of epidemic disease on networks. [PDF]

Physical review. E, Statistical, nonlinear, and soft matter physics, 2002
The study of social networks, and in particular the spread of disease on networks, has attracted considerable recent attention in the physics community.
M. Newman, M. Newman
semanticscholar   +1 more source