Saturated treatments and measles resurgence episodes in South Africa: A possible linkage

We consider the case of measles in South Africa to show that an high vaccination coverage may be not enough - alone - to ensure measles eradication. The occurrence of certain epidemic episodes may in fact be encouraged by delays in the treatments or by not adequately fast clinical case management, w...

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Main Author: Deborah Lacitignola
Format: Article
Language:English
Published: AIMS Press 2013-05-01
Series:Mathematical Biosciences and Engineering
Subjects:
Online Access:https://www.aimspress.com/article/doi/10.3934/mbe.2013.10.1135
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author Deborah Lacitignola
author_facet Deborah Lacitignola
author_sort Deborah Lacitignola
collection DOAJ
description We consider the case of measles in South Africa to show that an high vaccination coverage may be not enough - alone - to ensure measles eradication. The occurrence of certain epidemic episodes may in fact be encouraged by delays in the treatments or by not adequately fast clinical case management, which may be related to the backward bifurcation phenomenon as well as to an intriguing spiking dynamics which appears in the system for specific ranges of parameter values.
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issn 1551-0018
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spelling doaj-art-e7b0b412b1ba4756b2c105878a40a90e2025-01-24T02:26:20ZengAIMS PressMathematical Biosciences and Engineering1551-00182013-05-011041135115710.3934/mbe.2013.10.1135Saturated treatments and measles resurgence episodes in South Africa: A possible linkageDeborah Lacitignola0Department of Electrical and Information Engineering, University of Cassino and Southern Lazio, Via di Biasio 43, I-03043 CassinoWe consider the case of measles in South Africa to show that an high vaccination coverage may be not enough - alone - to ensure measles eradication. The occurrence of certain epidemic episodes may in fact be encouraged by delays in the treatments or by not adequately fast clinical case management, which may be related to the backward bifurcation phenomenon as well as to an intriguing spiking dynamics which appears in the system for specific ranges of parameter values.https://www.aimspress.com/article/doi/10.3934/mbe.2013.10.1135epidemic modelssaturated treatmentsmeasles.backward bifurcationspiking dynamics
spellingShingle Deborah Lacitignola
Saturated treatments and measles resurgence episodes in South Africa: A possible linkage
Mathematical Biosciences and Engineering
epidemic models
saturated treatments
measles.
backward bifurcation
spiking dynamics
title Saturated treatments and measles resurgence episodes in South Africa: A possible linkage
title_full Saturated treatments and measles resurgence episodes in South Africa: A possible linkage
title_fullStr Saturated treatments and measles resurgence episodes in South Africa: A possible linkage
title_full_unstemmed Saturated treatments and measles resurgence episodes in South Africa: A possible linkage
title_short Saturated treatments and measles resurgence episodes in South Africa: A possible linkage
title_sort saturated treatments and measles resurgence episodes in south africa a possible linkage
topic epidemic models
saturated treatments
measles.
backward bifurcation
spiking dynamics
url https://www.aimspress.com/article/doi/10.3934/mbe.2013.10.1135
work_keys_str_mv AT deborahlacitignola saturatedtreatmentsandmeaslesresurgenceepisodesinsouthafricaapossiblelinkage