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Coronavirus herd immunity optimizer (CHIO) [PDF]

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 (COVID-19).
, Zaid Abdi Alkareem Alyasseri, Mohammed A Awadallah   +2 more
exaly   +3 more sources

Herd immunity: Deadly or defensive

Journal of Family Medicine and Primary Care, 2021
Sameena Khan, Shahzad Mirza, Nikunja K Das, Rajashri Patil   +3 more
doaj   +3 more sources

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 of susceptible hosts.
Ashby, Ben, Best, Alex
openaire   +4 more sources

Dairy cattle herds mount a characteristic antibody response to highly pathogenic H5N1 avian influenza viruses [PDF]

Journal of Virology
An unprecedented outbreak of a highly pathogenic avian influenza virus, H5 clade 2.3.4.4b, was reported in U.S. dairy cattle during the spring of 2024. It has now spread to hundreds of herds across multiple states.
Lindsey R. Robinson-McCarthy, Holly C. Simmons, Aaron L. Graber, Carly N. Marble, Grace W. Graudin, Kevin R. McCarthy   +5 more
doaj   +2 more sources

Analyzing natural herd immunity media discourse in the United Kingdom and the United States.

PLOS Global Public Health, 2022
Natural herd immunity, where community-acquired infections in low-risk populations are used to protect high risk populations from infection-has seen high profile support in some quarters, including through the Great Barrington Declaration.
Marco Zenone, Jeremy Snyder, Alessandro Marcon, Timothy Caulfield   +3 more
doaj   +2 more sources

Effectiveness of Adapted COVID-19 Vaccines and Ability to Establish Herd Immunity against Omicron BA.1 and BA4-5 Variants of SARS-CoV-2

Vaccines, 2023
The emergence of novel SARS-CoV-2 variants has raised concerns about the ability of COVID-19 vaccination programs to establish adequate herd immunity levels in the population.
Pedro Plans-Rubió
doaj   +1 more source

COVID-19 herd immunity in the absence of a vaccine: an irresponsible approach [PDF]

Epidemiology and Health, 2021
As severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) continues to spread rapidly throughout the human population, the concept of “herd immunity” has attracted the attention of both decision-makers and the general public.
Jade Khalife, Derrick VanGennep
doaj   +1 more source

Can Africa achieve herd immunity?

Global Health Research and Policy, 2021
The World Health Organization described herd immunity, also known as population immunity, as the indirect fortification from an infectious disease that happens when a population is immune either through vaccination or immunity developed through previous ...
Don Eliseo Lucero-Prisno, Isaac Olushola Ogunkola, Ekpereonne Babatunde Esu, Yusuff Adebayo Adebisi, Xu Lin, Hao Li   +5 more
doaj   +1 more source

The herd-immunity threshold must be updated for multi-vaccine strategies and multiple variants

Scientific Reports, 2021
Several vaccines with different efficacies and effectivenesses are currently being distributed across the world to control the COVID-19 pandemic. Having enough doses from the most efficient vaccines in a short time is not possible for all countries ...
Iraj Yadegari, Mehdi Omidi, Stacey R. Smith   +2 more
doaj   +1 more source

Herd Immunity and Measles [PDF]

Mediterranean Journal of Infection, Microbes and Antimicrobials, 2015
The term “herd immunity” is an immunization concept that refers to a means of protecting a whole population from an infectious disease by immunizing a certain percent of a population. Measles is a highly contagious infectious disease.
Ferit KUŞÇU, Emin Ediz TÜTÜNCÜ
doaj   +1 more source