The resurgence of mumps and pertussis

Sabbe, Martine; Vandermeulen, Corinne

doi:10.1080/21645515.2015.1113357

Cited by 31 publications

(24 citation statements)

References 29 publications

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“…Mumps immunity has also been shown to wane with time after vaccination [31,32]. However, our study found absence of mumps antibodies in all four age groups.…”

Section: Discussioncontrasting

confidence: 55%

Immunity against vaccine-preventable diseases in Finnish pediatric healthcare workers in 2015

Koivisto

Puhakka

Lappalainen

et al. 2017

Vaccine

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“…Mumps immunity has also been shown to wane with time after vaccination [31,32]. However, our study found absence of mumps antibodies in all four age groups.…”

Section: Discussioncontrasting

confidence: 55%

Immunity against vaccine-preventable diseases in Finnish pediatric healthcare workers in 2015

Koivisto

Puhakka

Lappalainen

et al. 2017

Vaccine

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“…The accumulation of susceptible young persons who are brought together in high-density settings can lead to high levels of infection and an increased risk of exposure [27,28]. Mumps outbreaks were recently reported in the US and in Europe, both with high MMR vaccine coverage [27,29]. From 2005 to 2016, 21 mumps outbreaks were reported, and primary school students accounted for 90.21% of the outbreak-related cases.…”

Section: Discussionmentioning

confidence: 99%

Assessing the Changes of Mumps Characteristics with Different Vaccination Strategies Using Surveillance Data: Importance to Introduce the 2-Dose Schedule in Quzhou of China

Zhou

Song

ZhiYing³

et al. 2020

Journal of Immunology Research

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Background. From 2005 to 2016, the prevention and control of mumps in China have undergone three stages of transition. These include the use of MuCV as a self-supported vaccine, the introduction of one-dose MMR to the Expanded Program on Immunization (EPI), and the administration of two-dose MuCV following supplementary immunization activities (SIAs) using MM. Here, using surveillance data, we assessed the epidemiology of mumps during the three stages. Methods. Children in Quzhou of China born from 2005 to 2016 and registered in the Zhejiang Provincial Immunization Information System (ZJIIS) were included. We analyzed the epidemic data and calculated incidence and MuCV coverage via birth cohorts. Results. The average incidence of mumps in 2005-2006, 2007-2010, and 2011-2016 was 51.57, 41.02, and 12.53 per 100,000 individuals, respectively. The highest incidence was in children aged 6-14 years from 2005-2016, of which the majority were school students (67.84%). Approximately 90% of the reported outbreaks occurred in school children (primary school/middle school). The seasonal characteristics of mumps were less obvious from 2011 to 2016. The coverage of one-dose MMR in the 2005 birth cohort was 71.38%. For the 2006-2010 birth cohort, the coverage of one-dose MuCV was 96.82% and the coverage of two-dose MuCV was 17.68%. The children born from 2011 to 2016 were only free vaccinated with MMR; the coverage of one-dose MuCV was 99.10%. The mumps incidence in the three birth cohorts significantly declined (X2=805.90, P<0.001 for trend). Except the children less than two years old, the mumps incidence for the children born from 2006 to 2010 was higher than that for the children born from 2011 to 2016. Conclusion. The mumps incidence significantly declined following the introduction of one-dose MMR. The SIA using MM led to a rapid reduction of mumps cases. Therefore, we recommend a two-dose MuCV routine immunization schedule and improved vaccination coverage.

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“…The cases from Liaoning and Fujian had not received mumps vaccination, the vaccination history of the cases from Shannxi province were unknown, and the cases from Jiangsu province had received one dose of the MuCV but were still infected by MuV. The reinfection of the mumps cases in Jiangsu might indicated that one dose of MuCV could not effectively protect against mumps infection in the susceptible population with the waning of vaccine-induced immune responses; primary immune failure should also be considered [28]. …”

Section: Discussionmentioning

confidence: 99%

Mumps Epidemiology and Mumps Virus Genotypes Circulating in Mainland China during 2013-2015

Cui

Zhu

et al. 2017

PLoS ONE

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With the implementation of mumps virus (MuV) vaccination in the expanded program on immunization (EPI) in mainland China since 2008, the incidence of mumps has decreased, and the natural epidemic pattern of mumps has slightly changed during 2013–2015. The two epidemic peaks (April-July and November-December) became less obvious than those observed from 2004 to 2012. Children and adolescents younger than 15, particularly in the five-to-nine-year-old age group, remain the target group and should be the focus of high-quality immunization activities in mainland China. However, it was also found that the incidence and reported cases of mumps decreased in each age group during 2013–2015, particularly in the five-to-nine-year-old and ten-to-fourteen-year-old age groups. The proportion of mumps cases among adults in some provinces also increased. Unlike the changes in the epidemiological characteristics of mumps affected by vaccination, the data of MuV virology surveillance indicated that most of the MuV transmission chains have not yet been effectively interrupted, and MuV remains a natural epidemic pattern in mainland China. In the MuV virology surveillance, 194 MuV strains during 2013–2015 were isolated from 10 of 31 provinces in mainland China. Based on the phylogenetic analysis of the small hydrophobic (SH) gene, both genotype (99.0%) and (1.0%) were identified, and genotype was still the predominant genotype continuously circulating in mainland China. Representative genotype and strains isolated in China from 1995 to 2012 were selected for further analysis. The results indicated that there were multiple transmission chains within genotype , with no obvious geographical or time differences. The high genetic diversity of genotype F strains could be a result of the continuous transmission and evolution of the MuV in mainland China. Genotype was also detected in four provinces in mainland China. Because of the limited epidemiological data, it was uncertain whether the genotype MuV strains found in 2011 and 2013 were imported from other countries. Therefore, combined high-quality epidemiological and virological surveillance is necessary for mumps control; it can also be used to observe the changes in epidemiological characteristics and viral transmission of mumps over time after mumps-containing vaccine (MuCV) implementation and to provide a comprehensive epidemiological and genetic baseline for mumps elimination in mainland China.

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The resurgence of mumps and pertussis

Cited by 31 publications

References 29 publications

Immunity against vaccine-preventable diseases in Finnish pediatric healthcare workers in 2015

Immunity against vaccine-preventable diseases in Finnish pediatric healthcare workers in 2015

Assessing the Changes of Mumps Characteristics with Different Vaccination Strategies Using Surveillance Data: Importance to Introduce the 2-Dose Schedule in Quzhou of China

Mumps Epidemiology and Mumps Virus Genotypes Circulating in Mainland China during 2013-2015

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