Results 331 to 340 of about 629,434 (391)

Cross-reactive memory T cells and herd immunity to SARS-CoV-2

open access: yesNature Reviews Immunology, 2020
Immunity is a multifaceted phenomenon. For T cell-mediated memory responses to SARS-CoV-2, it is relevant to consider their impact both on COVID-19 disease severity and on viral spread in a population.
M Lipsitch   +2 more
exaly   +2 more sources

Coronavirus herd immunity optimizer (CHIO)

open access: yesNeural 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 ...
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exaly   +2 more sources
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Krill herd: A new bio-inspired optimization algorithm

Communications in Nonlinear Science and Numerical Simulation, 2012
Amir Gandomi
exaly   +2 more sources

Hybrid clustering analysis using improved krill herd algorithm

Applied Intelligence, 2018
Laith Mohammad Abualigah   +1 more
exaly   +2 more sources

Hesitancy Towards a COVID-19 Vaccine and Prospects for Herd Immunity

Social Science Research Network, 2020
The scientific community has come together in an unprecedented effort to find a COVID-19 vaccine. However, the success of any vaccine depends on the share of the population that gets vaccinated.
Linda Thunström   +3 more
semanticscholar   +1 more source

Herding Dogs

Veterinary Clinics of North America: Small Animal Practice, 2021
Herding is done predominantly by breeds developed over centuries to millennia specifically for that purpose. Working-level herding breed dogs are intense, high-drive dogs that will work despite severe illness or pain, thereby masking clues that they are ailing or the nature of their problem. The handler should recognize subtle changes that might signal
openaire   +2 more sources

Elk herd optimizer: a novel nature-inspired metaheuristic algorithm

open access: yesArtificial 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.
M. Al-Betar   +4 more
exaly   +2 more sources

Ownership herding and informational herding

Applied Economics Letters, 2010
This article takes as its point of departure the herding model of Bikhchandani et al. (1992). We extend earlier experimental evidence to distinguish between informational herding, as in the model, and ownership herding, an alternative explanation for observed behaviour.
openaire   +2 more sources

Vaccination, Herd Behavior, and Herd Immunity

Medical Decision Making, 2013
Background: During the 2009 outbreak of novel influenza AH1N1, insufficient data were available to adequately inform decision makers about benefits and risks of vaccination and disease. We hypothesized that individuals would opt to mimic their peers, having no better decision anchor.
Matan J, Cohen   +4 more
openaire   +2 more sources

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