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    Jan 23, 2021
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    Reaching Hard-to-Reach Individuals: Nonselective Versus Targeted Outbreak Response Vaccination for Measles

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    Minetti et al. - 2013 - Reaching ...
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    Authors
    Minetti, A
    Hurtado, N
    Grais, R
    Ferrari, M
    Issue Date
    2013-10-16
    
    Metadata
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    Journal
    American Journal of Epidemiology
    Abstract
    Current mass vaccination campaigns in measles outbreak response are nonselective with respect to the immune status of individuals. However, the heterogeneity in immunity, due to previous vaccination coverage or infection, may lead to potential bias of such campaigns toward those with previous high access to vaccination and may result in a lower-than-expected effective impact. During the 2010 measles outbreak in Malawi, only 3 of the 8 districts where vaccination occurred achieved a measureable effective campaign impact (i.e., a reduction in measles cases in the targeted age groups greater than that observed in nonvaccinated districts). Simulation models suggest that selective campaigns targeting hard-to-reach individuals are of greater benefit, particularly in highly vaccinated populations, even for low target coverage and with late implementation. However, the choice between targeted and nonselective campaigns should be context specific, achieving a reasonable balance of feasibility, cost, and expected impact. In addition, it is critical to develop operational strategies to identify and target hard-to-reach individuals.
    Publisher
    Oxford University Press
    URI
    http://hdl.handle.net/10144/306081
    DOI
    10.1093/aje/kwt236
    PubMed ID
    24131555
    Language
    en
    ISSN
    1476-6256
    ae974a485f413a2113503eed53cd6c53
    10.1093/aje/kwt236
    Scopus Count
    Collections
    Vaccination

    entitlement

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