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Herd immunity. [PDF]

Current Biology, 2021
Herd immunity is an important yet often misunderstood concept in epidemiology. As immunity accumulates in a population - naturally during the course of an epidemic or through vaccination - the spread of an infectious disease is limited by the depletion ...
B. Ashby, Alex Best
semanticscholar   +4 more sources

Coronavirus herd immunity optimizer (CHIO)

Neural Computing and Applications, 2020
In this paper, a new nature-inspired human-based optimization algorithm is proposed which is called coronavirus herd immunity optimizer (CHIO). The inspiration of CHIO is originated from the herd immunity concept as a way to tackle coronavirus pandemic ...
Mohammed Azmi Al-Betar, Zaid Abdi Alkareem Alyasseri, Mohammed A Awadallah   +2 more
exaly   +2 more sources

Dynamics of Population Immunity Due to the Herd Effect in the COVID-19 Pandemic

Vaccines, 2020
The novel Coronavirus 2 Severe Acute Respiratory Syndrome (SARS-Cov-2) has led to the Coronavirus Disease 2019 (COVID-19) pandemic, which has surprised health authorities around the world, quickly producing a global health crisis.
Vicente Javier Clemente-Suarez, Alberto J Hormeño-Holgado, Manuel Jiménez   +2 more
exaly   +2 more sources

Elk herd optimizer: a novel nature-inspired metaheuristic algorithm

Artificial Intelligence Review
This paper proposes a novel nature-inspired swarm-based optimization algorithm called elk herd optimizer (EHO). It is inspired by the breeding process of the elk herd. Elks have two main breeding seasons: rutting and calving.
Mohammed A Awadallah, Sharif Naser Makhadmeh, Iyad Abu Doush   +2 more
exaly   +2 more sources

‘What have you HEARD about the HERD?’ Does education about local influenza vaccination coverage and herd immunity affect willingness to vaccinate?

Vaccine, 2018
Background Vaccination protects individuals directly and communities indirectly by reducing transmission. We aimed to determine whether information about herd immunity and local vaccination coverage could change an individual’s vaccination plans and ...
Dawn M Nederhoff, Brandon Koch, Julian Wolfson   +2 more
exaly   +2 more sources

THE IDENTITY OF THE CATTLE HERDSMAN A STUDY IN THE SCENES OF ANCIENT EGYPTIAN PRIVATE TOMBS [PDF]

Journal of the General Union of Arab Archaeologists, 2022
[Ar] هُوية راعى الأبقار: دراسة فى مناظر المقابر المصرية القديمة الخاصة ذخرت مقابرالمصريون القدماء برسوم ونقوش توثق تفاصيل حياتهم اليومية التى يرغبون فى أن ...
Naglaa Shehab
doaj   +1 more source

Entropic herding

Statistics and Computing, 2023
AbstractHerding is a deterministic algorithm used to generate data points regarded as random samples satisfying input moment conditions. This algorithm is based on a high-dimensional dynamical system and rooted in the maximum entropy principle of statistical inference.
Hiroshi Yamashita, Hideyuki Suzuki, Kazuyuki Aihara   +2 more
openaire   +3 more sources

Cross-Market Herding: Do ‘Herds’ Herd with Each Other?

Journal of Behavioral Finance, 2022
Although herding constitutes one of the most widely researched behavioral trading patterns internationally, the possibility of cross-market herding has remained largely underexplored in the literature. Our study provides a detailed empirical investigation of this issue in the context of ten Asia-Pacific markets for the February 1995–March 2022 window ...
Ferreruela, Sandra, Kallinterakis, Vasileios, Mallor, Tania   +2 more
openaire   +4 more sources

Contextual factors affecting the implementation of an anemia focused virtual counseling intervention for pregnant women in plains Nepal: a mixed methods process evaluation

BMC Public Health, 2023
Background Anemia is estimated to cause 115,000 maternal deaths each year. In Nepal, 46% of pregnant women have anemia. As part of an integrated anemia-prevention strategy, family engagement and counseling of pregnant women can increase compliance to ...
Sanju Bhattarai, Samata Kumari Yadav, Bibhu Thapaliya, Santosh Giri, Basudev Bhattarai, Suprich Sapkota, Shraddha Manandhar, Abriti Arjyal, Naomi Saville, Helen Harris-Fry, Hassan Haghparast-Bidgoli, Andrew Copas, Sara Hillman, Sushil Chandra Baral, Joanna Morrison   +14 more
doaj   +1 more source

Factors associated with access to sexual and reproductive health services among women with disabilities in Nepal

Dialogues in Health, 2022
Aim: The aim of the study is to investigate the relationships between social determinants and disability status and access and use of sexual and reproductive health services among women with disabilities in Nepal.
Sampurna Kakchapati, Saugat Pratap KC, Santosh Giri, Sanju Bhattarai, Sushil Chandra Baral   +4 more
doaj   +1 more source