Lessons and Challenges for Measles Control from Unexpected Large Outbreak, Malawi

Despite high reported coverage for routine and supplementary immunization, in 2010 in Malawi, a large measles outbreak occurred that comprised 134,000 cases and 304 deaths. Although the highest attack rates were for young children (2.3%, 7.6%, and 4.5% for children <6, 6–8, and 9–11 months, respe...

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Main Authors: Andrea Minetti, Matthew Kagoli, Agnes Katsulukuta, Helena Huerga, Amber Featherstone, Hazel Chiotcha, Delphine Noel, Cameron Bopp, Laurent Sury, Renzo Fricke, Marta Iscla, Northan Hurtado, Tanya Ducomble, Sarala Nicholas, Storn Kabuluzi, Rebecca F. Grais, Francisco J. Luquero
Format: Article
Language:English
Published: Centers for Disease Control and Prevention 2013-02-01
Series:Emerging Infectious Diseases
Subjects:
Online Access:https://wwwnc.cdc.gov/eid/article/19/2/12-0301_article
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author Andrea Minetti
Matthew Kagoli
Agnes Katsulukuta
Helena Huerga
Amber Featherstone
Hazel Chiotcha
Delphine Noel
Cameron Bopp
Laurent Sury
Renzo Fricke
Marta Iscla
Northan Hurtado
Tanya Ducomble
Sarala Nicholas
Storn Kabuluzi
Rebecca F. Grais
Francisco J. Luquero
author_facet Andrea Minetti
Matthew Kagoli
Agnes Katsulukuta
Helena Huerga
Amber Featherstone
Hazel Chiotcha
Delphine Noel
Cameron Bopp
Laurent Sury
Renzo Fricke
Marta Iscla
Northan Hurtado
Tanya Ducomble
Sarala Nicholas
Storn Kabuluzi
Rebecca F. Grais
Francisco J. Luquero
author_sort Andrea Minetti
collection DOAJ
description Despite high reported coverage for routine and supplementary immunization, in 2010 in Malawi, a large measles outbreak occurred that comprised 134,000 cases and 304 deaths. Although the highest attack rates were for young children (2.3%, 7.6%, and 4.5% for children <6, 6–8, and 9–11 months, respectively), persons >15 years of age were highly affected (1.0% and 0.4% for persons 15–19 and >19 years, respectively; 28% of all cases). A survey in 8 districts showed routine coverage of 95.0% for children 12–23 months; 57.9% for children 9–11 months; and 60.7% for children covered during the last supplementary immunization activities in 2008. Vaccine effectiveness was 83.9% for 1 dose and 90.5% for 2 doses. A continuous accumulation of susceptible persons during the past decade probably accounts for this outbreak. Countries en route to measles elimination, such as Malawi, should improve outbreak preparedness. Timeliness and the population chosen are crucial elements for reactive campaigns.
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spelling doaj.art-5709d0f62f3f4fc296314acea8cf01282022-12-22T00:54:36ZengCenters for Disease Control and PreventionEmerging Infectious Diseases1080-60401080-60592013-02-0119220220910.3201/eid1902.120301Lessons and Challenges for Measles Control from Unexpected Large Outbreak, MalawiAndrea MinettiMatthew KagoliAgnes KatsulukutaHelena HuergaAmber FeatherstoneHazel ChiotchaDelphine NoelCameron BoppLaurent SuryRenzo FrickeMarta IsclaNorthan HurtadoTanya DucombleSarala NicholasStorn KabuluziRebecca F. GraisFrancisco J. LuqueroDespite high reported coverage for routine and supplementary immunization, in 2010 in Malawi, a large measles outbreak occurred that comprised 134,000 cases and 304 deaths. Although the highest attack rates were for young children (2.3%, 7.6%, and 4.5% for children <6, 6–8, and 9–11 months, respectively), persons >15 years of age were highly affected (1.0% and 0.4% for persons 15–19 and >19 years, respectively; 28% of all cases). A survey in 8 districts showed routine coverage of 95.0% for children 12–23 months; 57.9% for children 9–11 months; and 60.7% for children covered during the last supplementary immunization activities in 2008. Vaccine effectiveness was 83.9% for 1 dose and 90.5% for 2 doses. A continuous accumulation of susceptible persons during the past decade probably accounts for this outbreak. Countries en route to measles elimination, such as Malawi, should improve outbreak preparedness. Timeliness and the population chosen are crucial elements for reactive campaigns.https://wwwnc.cdc.gov/eid/article/19/2/12-0301_articlemeaslesdisease outbreaksvirusesvaccinationExpanded Program on ImmunizationMalawi
spellingShingle Andrea Minetti
Matthew Kagoli
Agnes Katsulukuta
Helena Huerga
Amber Featherstone
Hazel Chiotcha
Delphine Noel
Cameron Bopp
Laurent Sury
Renzo Fricke
Marta Iscla
Northan Hurtado
Tanya Ducomble
Sarala Nicholas
Storn Kabuluzi
Rebecca F. Grais
Francisco J. Luquero
Lessons and Challenges for Measles Control from Unexpected Large Outbreak, Malawi
Emerging Infectious Diseases
measles
disease outbreaks
viruses
vaccination
Expanded Program on Immunization
Malawi
title Lessons and Challenges for Measles Control from Unexpected Large Outbreak, Malawi
title_full Lessons and Challenges for Measles Control from Unexpected Large Outbreak, Malawi
title_fullStr Lessons and Challenges for Measles Control from Unexpected Large Outbreak, Malawi
title_full_unstemmed Lessons and Challenges for Measles Control from Unexpected Large Outbreak, Malawi
title_short Lessons and Challenges for Measles Control from Unexpected Large Outbreak, Malawi
title_sort lessons and challenges for measles control from unexpected large outbreak malawi
topic measles
disease outbreaks
viruses
vaccination
Expanded Program on Immunization
Malawi
url https://wwwnc.cdc.gov/eid/article/19/2/12-0301_article
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