Results 11 to 20 of about 2,272,172 (332)

SARS-CoV-2: from herd immunity to hybrid immunity

open access: yesNature Reviews Immunology, 2022
Herd immunity, where a pathogen can no longer efficiently spread in a population, is achieved when a large proportion of the population becomes immune, making the spread of infection from person to person unlikely and protecting those without immunity ...
D. Goldblatt
semanticscholar   +3 more sources

COVID-19 herd immunity: where are we?

open access: yesNature Reviews Immunology, 2020
Herd immunity is a key concept for epidemic control. It states that only a proportion of a population needs to be immune (through overcoming natural infection or through vaccination) to an infectious agent for it to stop generating large outbreaks. A key
A. Fontanet, S. Cauchemez
semanticscholar   +3 more sources

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   +3 more
semanticscholar   +3 more sources

Herd Immunity to Fight Against COVID-19: A Narrative Review

open access: yesCureus, 2023
The advent of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and its consequent illness, coronavirus disease 2019 (COVID-19), has revealed the severe impact of new, contagious pathogens on the population throughout the globe.
Yasha N Suryawanshi, D. Biswas
semanticscholar   +1 more source

Herd immunity, vaccination and moral obligation

open access: yesJournal of Medical Ethics, 2023
The public health benefits of herd immunity are often used as the justification for coercive vaccine policies. Yet, ‘herd immunity’ as a term has multiple referents, which can result in ambiguity, including regarding its role in ethical arguments.
M. Bullen, G. Heriot, E. Jamrozik
semanticscholar   +1 more source

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

open access: yesVaccines, 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]

open access: yesEpidemiology 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?

open access: yesGlobal 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   +5 more
doaj   +1 more source

The Concept of Classical Herd Immunity May Not Apply to COVID-19

open access: yesJournal of Infectious Diseases, 2022
There has been speculation about when in the coronavirus disease 2019 (COVID19) pandemic we will be able to live with the virus in a manner that does not disrupt most peoples’ lives. Much of this discussion has focused on herd immunity thresholds (Box 1).
D. Morens, G. Folkers, A. Fauci
semanticscholar   +1 more source

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