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Yoo JW, Tae BS, Chang HK, Song MS, Cheon J, Park JY, Bae JH. Epidemiology of mumps, mumps complications, and mumps orchitis in Korea using the National Health Insurance Service database. Investig Clin Urol 2023; 64:412-417. [PMID: 37417567 DOI: 10.4111/icu.20230064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 05/01/2023] [Accepted: 05/30/2023] [Indexed: 07/08/2023] Open
Abstract
PURPOSE To analyze the presentation of mumps and mumps orchitis using the National Health Insurance Service Database (NHISD). MATERIALS AND METHODS Using information from the NHISD representing all cases of mumps in Korea, data regarding mumps orchitis were analyzed. The International Classification of Diseases, Tenth Revision, and Clinical Modification codes were used for diagnosis. The incidence estimates of the number of mumps cases were analyzed using the Statistical Analysis System (SAS) software. RESULTS Based on the NHISD, 199,186 people were diagnosed with mumps, and males accounted for 62.3% cases. Teen males accounted for 69,870 cases, the largest number of patients diagnosed with mumps. The annual incidence of mumps increased every year (poisson regression, hazard ratio [HR] 1.026, 95% confidence interval [CI] 1.024-1.027; p<0.025). The risk of mumps was lower in females than that in males (poisson regression, HR 0.594, 95% CI 0.589-0.599; p<0.001). Of the 199,186 patients diagnosed with mumps, 3,872 patients (1.9%) had related complications. Among the mumps complications, the most diagnosed complication was mumps orchitis, which was seen in 41.8% of the males. Mumps orchitis cases accounted for less than 1.5% of the patients with mumps in minors under the age of 20 years and was somewhat higher in 2009 and 2013-2015. CONCLUSIONS Among the complications related to mumps, meningitis was most common in females, while orchitis was dominant in males. Mumps orchitis also shows periodic outbreaks but is particularly prevalent in adults, which suggests the potential need for additional vaccination against mumps.
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Affiliation(s)
- Jung Wan Yoo
- Department of Urology, Korea University Ansan Hospital, Korea University College of Medicine, Ansan, Korea
| | - Bum Sik Tae
- Department of Urology, Korea University Ansan Hospital, Korea University College of Medicine, Ansan, Korea
| | - Hyun Kyung Chang
- Department of Urology, Korea University Ansan Hospital, Korea University College of Medicine, Ansan, Korea
| | - Min Sung Song
- Department of Urology, Korea University Ansan Hospital, Korea University College of Medicine, Ansan, Korea
| | - Jun Cheon
- Department of Urology, Korea University Anam Hospital, Korea University College of Medicine, Seoul, Korea
| | - Jae Young Park
- Department of Urology, Korea University Ansan Hospital, Korea University College of Medicine, Ansan, Korea
| | - Jae Hyun Bae
- Department of Urology, Korea University Ansan Hospital, Korea University College of Medicine, Ansan, Korea.
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Nonlinear effect of wind velocity on mumps in Shenzhen, China, 2013-2016. Public Health 2019; 179:178-185. [PMID: 31863968 DOI: 10.1016/j.puhe.2019.10.023] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2019] [Revised: 10/01/2019] [Accepted: 10/30/2019] [Indexed: 12/11/2022]
Abstract
OBJECTIVES Plenty of studies have shown that wind velocity has an influence on airborne diseases. There is, however, no consistent conclusion found on the relationship between wind velocity and mumps, and the regional heterogeneity has been largely neglected in previous studies. This study aims to explore the association between wind velocity and mumps in Shenzhen. STUDY DESIGN Ecological study. METHODS Sixteen subdistricts with the highest incidence rates of mumps were selected from Shenzhen city, and the multilevel distributed lag-nonlinear model was conducted to explore the relationship between mumps cases and wind velocity via the dlnm and lme4 packages of the software R 3.4.3. RESULTS In Shenzhen, a total of 16,997 mumps cases were reported between 2013 and 2016, and the means of daily rainfall, temperature, relative humidity, and 10 min wind velocity were 5.74 mm, 23.27 °C, 76.31% and 1.87 m/s, respectively. Obvious nonlinear correlation relationships of wind velocity and mumps risk were found, where a reverse-V curved shape was shown in the exposure dimension with the logRR value of mumps peaking at 2 m/s, and the type of nonlinear correlation varying with the levels of wind velocity in lag dimension with a peak at two lag weeks. CONCLUSIONS The lag and nonlinear association between wind velocity and number of mumps cases were examined, while there was no statistically significant associations for other meteorological factors accounting for the regional heterogeneity. Results from this study indicated that public health administrators could strengthen health education in schools on ventilation management to prevent and control mumps outbreaks.
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The Human CD4 + T Cell Response against Mumps Virus Targets a Broadly Recognized Nucleoprotein Epitope. J Virol 2019; 93:JVI.01883-18. [PMID: 30626672 PMCID: PMC6401470 DOI: 10.1128/jvi.01883-18] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Accepted: 12/15/2018] [Indexed: 11/22/2022] Open
Abstract
Recent outbreaks of mumps among vaccinated young adults have been reported worldwide. Humoral responses against mumps virus (MuV) are well characterized, although no correlate of protection has been elucidated, stressing the need to better understand cellular MuV-specific immunity. In this study, we identified the first MuV T cell epitope, which is derived from the viral nucleoprotein (MuV-N) and was recognized by a cytotoxic/Th1 CD4+ T cell clone that was isolated from a mumps case. Moreover, the epitope was predicted to bind a broad variety of common HLA-DRB1 alleles, which was confirmed by the epitope-specific cytotoxic/Th1 CD4+ T cell responses observed in multiple mumps cases with various HLA-DRB1 genotypes. The identified epitope is completely conserved among various mumps strains. These findings qualify this promiscuous MuV T cell epitope as a useful tool for further in-depth exploration of MuV-specific T cell immunity after natural mumps virus infection or induced by vaccination. Mumps outbreaks among vaccinated young adults stress the need for a better understanding of mumps virus (MuV)-induced immunity. Antibody responses to MuV are well characterized, but studies on T cell responses are limited. We recently isolated a MuV-specific CD4+ T cell clone by stimulating peripheral blood mononuclear cells (PBMCs) from a mumps case with the viral nucleoprotein (MuV-N). In this study, we further explored the identity and relevance of the epitope recognized by the CD4+ T cell clone and ex vivo by T cells in a cohort of mumps cases. Using a two-dimensional matrix peptide pool of 15-mer peptides covering the complete MuV-N, we identified the epitope recognized by the T cell clone as MuV-N110–124 GTYRLIPNARANLTA, present in a well-conserved region of the viral protein. Upon peptide-specific stimulation, the T cell clone expressed the activation marker CD137 and produced gamma interferon, tumor necrosis factor, and interleukin-10 in a HLA-DR4-restricted manner. Moreover, the CD4+ T cells exerted a cytotoxic phenotype and specifically killed cells presenting MuV-N110–124. Furthermore, the identified peptide is widely applicable to the general population since it is predicted to bind various common HLA-DR molecules, and epitope-specific CD4+ T cells displaying cytotoxic/Th1-type properties were found in all tested mumps cases expressing different HLA-DR alleles. This first broadly recognized human MuV-specific CD4+ T cell epitope could provide a useful tool to detect and evaluate virus-specific T cell responses upon MuV infection or following vaccination. IMPORTANCE Recent outbreaks of mumps among vaccinated young adults have been reported worldwide. Humoral responses against mumps virus (MuV) are well characterized, although no correlate of protection has been elucidated, stressing the need to better understand cellular MuV-specific immunity. In this study, we identified the first MuV T cell epitope, which is derived from the viral nucleoprotein (MuV-N) and was recognized by a cytotoxic/Th1 CD4+ T cell clone that was isolated from a mumps case. Moreover, the epitope was predicted to bind a broad variety of common HLA-DRB1 alleles, which was confirmed by the epitope-specific cytotoxic/Th1 CD4+ T cell responses observed in multiple mumps cases with various HLA-DRB1 genotypes. The identified epitope is completely conserved among various mumps strains. These findings qualify this promiscuous MuV T cell epitope as a useful tool for further in-depth exploration of MuV-specific T cell immunity after natural mumps virus infection or induced by vaccination.
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Chen H, Ngo L, Petrovskaya S, Gao Y, Laassri M, Rubin S. Purification of mumps virus particles of high viability. J Virol Methods 2016; 233:6-9. [PMID: 26992653 DOI: 10.1016/j.jviromet.2016.03.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2016] [Revised: 03/10/2016] [Accepted: 03/11/2016] [Indexed: 10/22/2022]
Abstract
Mumps is a highly infectious viral disease of humans with a wide array of clinical manifestations ranging from painful swelling of the salivary glands to meningitis and encephalitis. Despite the clinical importance of mumps virus, most of what is known of its biological properties comes from studies using supernatants from virus infected cell cultures, which contain substantial levels of host cell derived debris and biologically active substances such as cytokines, transcription factors and secreted virus proteins. These contaminants complicate interpretation of studies of virus replication, virus-host interactions and in vivo virulence. Here we describe a protocol for concentration of the virus from cell culture supernatants followed by gradient purification, resulting in attainment of high titer live virus of high purity.
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Affiliation(s)
- Huosheng Chen
- Food and Drug Administration, Center for Biologics Evaluation and Research, 10903 New Hampshire Avenue, Silver Spring, MD 20993, United States
| | - Laurie Ngo
- Food and Drug Administration, Center for Biologics Evaluation and Research, 10903 New Hampshire Avenue, Silver Spring, MD 20993, United States
| | - Svetlana Petrovskaya
- Food and Drug Administration, Center for Biologics Evaluation and Research, 10903 New Hampshire Avenue, Silver Spring, MD 20993, United States
| | - Yamei Gao
- Food and Drug Administration, Center for Biologics Evaluation and Research, 10903 New Hampshire Avenue, Silver Spring, MD 20993, United States
| | - Majid Laassri
- Food and Drug Administration, Center for Biologics Evaluation and Research, 10903 New Hampshire Avenue, Silver Spring, MD 20993, United States
| | - Steven Rubin
- Food and Drug Administration, Center for Biologics Evaluation and Research, 10903 New Hampshire Avenue, Silver Spring, MD 20993, United States.
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Yang Q, Yang Z, Ding H, Zhang X, Dong Z, Hu W, Liu X, Wang M, Hu G, Fu C. The relationship between meteorological factors and mumps incidence in Guangzhou, China, 2005-2012:. Hum Vaccin Immunother 2015; 10:2421-32. [PMID: 25424950 DOI: 10.4161/hv.29286] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
BACKGROUND Over the past decade, there have been resurgences and large-scale outbreaks of mumps worldwide. Little evidence is available on the relationship between meteorological factors and the incidence of mumps. We aimed to explore the effects of meteorological factors on mumps incidence. METHODS A Poisson regression model combined with a distributed lag non-linear model (DLNM) was used to evaluate the association between meteorological factors and the mumps incidence in Guangzhou, China, 2005-2012. RESULTS Nonlinear relationships between meteorological factors, except sunshine hours, and mumps incidence were observed. The relative risks (RRs) of mean temperature, relative humidity and atmospheric pressure were 1.81 (95% confidence interval (CI), 1.41 to 2.32), 1.28 (95% CI, 1.02 to 1.59), and 0.80 (95% CI, 0.67 to 0.95) comparing the 99th percentile to the median of their own, respectively. For wind velocity, the RR was 0.70 (95%CI, 0.54 to 0.91) comparing the 1st percentile to the median. The hot effect and cold effect were larger in females than in males, and the hot effect increased with age. CONCLUSIONS Mean temperature, relative humidity, wind velocity and atmospheric pressure might be important predictors of the mumps incidence. Tropical cyclone caused a higher increase in mumps cases. Our findings highlight the need to strengthen the awareness of using protective measures during typhoon days and allocating more attention to the susceptible populations during the summer. The two-dose regimen of mumps vaccine should be included in the National Immunization Program schedule, and the catch-up vaccination campaigns should be promoted among adults.
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Affiliation(s)
- Qiongying Yang
- a School of Public Health and Tropical Medicine; Southern Medical University; Guangzhou, PR China
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Affiliation(s)
- Donald R. Latner
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America
- * E-mail:
| | - Carole J. Hickman
- Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America
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Epidemic of complicated mumps in previously vaccinated young adults in the South-West of France. Med Mal Infect 2014; 44:502-8. [PMID: 25391635 DOI: 10.1016/j.medmal.2014.09.006] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2014] [Revised: 07/24/2014] [Accepted: 09/10/2014] [Indexed: 11/22/2022]
Abstract
OBJECTIVE We report the features and diagnosis of complicated mumps in previously vaccinated young adults. PATIENTS AND METHODS We retrospectively studied 7 cases of complicated mumps managed during 1 year at the Bordeaux University Hospital. The diagnosis was suggested by the clinical presentation and confirmed using specific RT-PCR. RESULTS Five cases of meningitis, 1 of orchitis, and 1 of unilateral hearing impairment were identified. Each of the 7 patients had been previously vaccinated with MMR, 4 had received 2 doses of this vaccine. Blood tests revealed high rates of IgG antibodies, usually considered as sufficient for immunological protection, and every patient had at least 1 positive RT-PCR test for mumps. CONCLUSION Outbreaks of complicated mumps may still occur despite a broad coverage of MMR vaccination. The clinical presentation suggested mumps but the final diagnosis could only be confirmed by genomic detection of the virus. Unusual viral strains with increased neurovirulence, insufficient population coverage associated with immunity decrease over time may explain outbreaks of complicated mumps. A full vaccine scheme of contact people or a third injection of vaccine for previously vaccinated people who are at risk of developing mumps are required to prevent further spreading of the disease during the outbreak.
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Braeye T, Linina I, De Roy R, Hutse V, Wauters M, Cox P, Mak R. Mumps increase in Flanders, Belgium, 2012–2013: Results from temporary mandatory notification and a cohort study among university students. Vaccine 2014; 32:4393-4398. [DOI: 10.1016/j.vaccine.2014.06.069] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2014] [Revised: 06/03/2014] [Accepted: 06/13/2014] [Indexed: 11/17/2022]
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Bozzola E, Bozzola M, Calcaterra V, Barberi S, Villani A. Infectious diseases and vaccination strategies: how to protect the "unprotectable"? ISRN PREVENTIVE MEDICINE 2013; 2013:765354. [PMID: 24977097 PMCID: PMC4062883 DOI: 10.5402/2013/765354] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 02/03/2013] [Accepted: 03/17/2013] [Indexed: 11/23/2022]
Abstract
Introduction. The circulation of infectious diseases puts small infants too young to be vaccinated at risk of morbidity and mortality, often requiring prolonged hospitalization. Material and Methods. We have reviewed the medical records of children not eligible for vaccination because of age, admitted to hospital for pertussis, measles, or varicella from February 1, 2010, till February 1, 2012. Results. Of the case records scrutinized, 21 were hospitalized for pertussis, 18 for measles, and 32 for varicella. Out of them, 42%, 66%, and 78% diagnosed with, respectively, pertussis, measles, and varicella had a complicated course of the disease. Discussion. To avoid infectious disease circulation, childhood immunization strategies should be adopted, such as vaccination of healthcare givers, adult household contacts, and parents planning to have, or who have had, a newborn baby.
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Affiliation(s)
- Elena Bozzola
- Department of Pediatrics, Pediatric and Infectious Disease Unit, Bambino Gesù Children's Hospital, 00100 Rome, Italy
| | - Mauro Bozzola
- Department of Internal Medicine, University of Pavia, 27100 Pavia, Italy
| | - Valeria Calcaterra
- Department of Internal Medicine, University of Pavia, 27100 Pavia, Italy
| | - Salvatore Barberi
- Department of Pediatrics, San Paolo Hospital, University of Milan, 20121 Milan, Italy
| | - Alberto Villani
- Department of Pediatrics, Pediatric and Infectious Disease Unit, Bambino Gesù Children's Hospital, 00100 Rome, Italy
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Tae BS, Ham BK, Kim JH, Park JY, Bae JH. Clinical features of mumps orchitis in vaccinated postpubertal males: a single-center series of 62 patients. Korean J Urol 2012; 53:865-9. [PMID: 23301132 PMCID: PMC3531641 DOI: 10.4111/kju.2012.53.12.865] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2012] [Accepted: 07/11/2012] [Indexed: 11/23/2022] Open
Abstract
Purpose Although the measles-mumps-rubella vaccination covers most children against mumps in Korea, the development of mumps has been reported. However, the clinical manifestations of mumps orchitis in postpubertal vaccinated patients have never been investigated. Herein we report the clinical features of mumps orchitis in postpubertal vaccinated patients. Materials and Methods This study included a total of 62 postpubertal males who developed acute mumps orchitis from 2005 to 2010. The clinical manifestations such as the incubation period, febrile duration, and the mean duration of orchitis were retrospectively investigated. The laboratory and sonographic findings were also reviewed and compared with the features of previously reported cases of unvaccinated postpubertal mumps orchitis. Results The mean age of the 62 patients was 17.56 years (range, 15 to 29 years). All patients were serologically confirmed with acute mumps infection (positive immunoglobulin [Ig] M and negative or positive IgG). The mean incubation period was 5.39 days (range, 0 to 23 days), with a febrile duration of 1.8 days (range, 0.5 to 3 days), and a mean duration of orchitis of 4.96 days (range, 0 to 17 days). Sonography revealed unilateral orchitis in 58 patients (93.6%) and bilateral orchitis in only 6 (6.4%). Conclusions In our study, mumps orchitis in postpubertal vaccinated patients showed a relatively shorter febrile duration. In addition, less scrotal swelling and a lower incidence of bilaterality were found upon physical examination and ultrasonography. In the future, additional long-term follow-up is needed to determine the features of mumps orchitis in postpubertal vaccinated males, and an additional booster vaccination should be considered.
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Affiliation(s)
- Bum Sik Tae
- Department of Urology, Korea University School of Medicine, Seoul, Korea
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Coffinières E, Turbelin C, Riblier D, Aouba A, Levy-Bruhl D, Arena C, Chiappe SG, Ferry JP, Hanslik T, Blanchon T. Mumps: burden of disease in France. Vaccine 2012; 30:7013-8. [PMID: 23059354 DOI: 10.1016/j.vaccine.2012.09.070] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2012] [Revised: 09/10/2012] [Accepted: 09/26/2012] [Indexed: 11/18/2022]
Abstract
This article provides a review of the epidemiological data on mumps in France since 1986. The results of 26 years of monitoring in general practice by the Sentinel network are analysed, such as hospitalisation data between 2004 and 2010, as well as mortality data between 2000 and 2009. The annual incidence rate has plummeted between 1986 and 2011, from 859 cases per 100,000 inhabitants [95% CI: 798-920] to 9 cases per 100,000 inhabitants [95% CI: 4-14]. A change in the age distribution is significant with an increase of Relative Illness Ratio (RIR) for patients over 20 years. Since 2000, vaccine status has also changed, and the majority of recent mumps cases occur among previously vaccinated patients. The average annual hospitalisation rate is 3.2 per 1 million inhabitants. Mumps was identified as the initial cause of death in 1 case every 5 years. This study estimates the burden of mumps disease in France.
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Abstract
Mumps outbreaks in recent years have given rise to questions about the effectiveness of the mumps vaccine. This study examined the epidemiological data from a recent mumps outbreak in Israel and from outbreaks in other countries with high vaccination coverage, and considered whether long-established vaccination policies designed to protect against mumps are in need of revision. Of over 5000 case patients in the Israeli outbreak, half of whom were in the Jerusalem health district, nearly 40% were aged ≥15 years and, of those whose vaccination status was known, 78% had been fully vaccinated for their age - features similar to those in recent mumps outbreaks in Europe and North America. The epidemiological and laboratory evidence suggests that many previously vaccinated adolescents and young adults are now susceptible to mumps because their vaccine-based immunity has waned. Booster vaccination programmes for those at high risk of infection during mumps outbreaks - particularly those in congregate living environments - merit priority consideration.
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Enzyme-linked immunospot assay detection of mumps-specific antibody-secreting B cells as an alternative method of laboratory diagnosis. CLINICAL AND VACCINE IMMUNOLOGY : CVI 2010; 18:35-42. [PMID: 21047998 DOI: 10.1128/cvi.00284-10] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Although high measles, mumps, and rubella (MMR) vaccination coverage has been successful in dramatically reducing mumps disease in the United States, mumps (re)infections occasionally occur in individuals who have been either previously vaccinated or naturally infected. Standard diagnostics that detect virus or virus-specific antibody are dependable for confirming primary mumps infection in immunologically naïve persons, but these methods perform inconsistently for individuals with prior immune exposure. We hypothesized that detection of activated mumps-specific antibody-secreting B cells (ASCs) by enzyme-linked immunospot (ELISPOT) assay could be used as a more reliable diagnostic. To test this, a time course of virus-specific ASC responses was measured by ELISPOT assay following MMR vaccination of 16 previously vaccinated or naturally exposed adult volunteers. Mumps-specific ASCs were detectable in 68% of these individuals at some point during the first 3 weeks following revaccination. In addition, mumps-specific ASCs were detected in 7/7 previously vaccinated individuals who recently had been infected as part of a confirmed mumps outbreak. These data suggest that ELISPOT detection of mumps-specific ASCs has the potential for use as an alternative method of diagnosis when suspect cases cannot be confirmed by detection of IgM or virus. In addition, it was determined that mumps-specific memory B cells are detected at a much lower frequency than measles- or rubella-specific cells, suggesting that mumps infection may not generate robust B-cell memory.
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Ternavasio-de la Vega HG, Boronat M, Ojeda A, García-Delgado Y, Ángel-Moreno A, Carranza-Rodríguez C, Bellini R, Francès A, Nóvoa FJ, Pérez-Arellano JL. Mumps orchitis in the post-vaccine era (1967-2009): a single-center series of 67 patients and review of clinical outcome and trends. Medicine (Baltimore) 2010; 89:96-116. [PMID: 20517181 DOI: 10.1097/md.0b013e3181d63191] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Since the introduction of the mumps vaccine, the age of appearance of mumps infection has shifted from children to adolescents and young adults, groups with a higher incidence of disease complications and sequelae. During the years 2000-2001, the Gran Canaria Island was part of an epidemic of mumps. In that period, our institution attended 67 cases of serologically confirmed acute mumps orchitis, the most serious complication of mumps infection in young postpubertal males. We conducted a descriptive and prospective study of this cohort and extensively reviewed the literature from 1967 (the year the first mumps vaccine was introduced) to 2009. Fifty-six patients were admitted because of general impairment and were treated with alpha-interferon. Sixty-six patients presented parotitis previous to orchitis (interval from parotitis to orchitis, 4.9 d). Orchitis was unilateral in 89.5% and bilateral in 10.4% of cases. More than 98% of patients had orchitis-associated fever. Nine patients had clinical and biochemical data showing acute mumps meningitis, and 11 had subclinical pancreatitis. The mean duration of symptoms was 4.6 days (range, 1-9). During the acute phase, more than 41% of the evaluated testes had a volume >25 mL. Acute hormonal disturbances were highly prevalent. These included decreased levels of testosterone and inhibin B with low or normal levels of gonadotropins in 35% of subjects, and, to our knowledge not previously reported, an atypical hormonal pattern consisting of low levels of free testosterone and inhibin B, along with increased measures of luteinizing hormone but low or normal follicle-stimulating hormone levels (11% of cases). During the follow-up period (mean, 331 d) a high incidence of sperm disturbance was found.
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Affiliation(s)
- Hugo-Guillermo Ternavasio-de la Vega
- From Internal Medicine Service II (HGTV), Hospital Universitario of Salamanca, Salamanca; Endocrinology and Nutrition Section (MB, AO, YGD, FJN), and Infectious Diseases and Tropical Medicine Unit (AF, JLPA), Internal Medicine Service, Hospital Universitario Insular of Gran Canaria, Gran Canaria; Department of Medical and Surgical Sciences (MB, AAM, CCR, RB, FJN, JLPA), Health Sciences Faculty, University of Las Palmas of Gran Canaria, Gran Canaria; and Internal Medicine Service II (AAM), Clínica Puerta de Hierro, Madrid, Spain
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Abstract
Almost all current vaccines work by the induction of antibodies in serum or on the mucosa to block adherence of pathogens to epithelial cells or interfere with microbial invasion of the bloodstream. However, antibody levels usually decline after vaccination to undetectable amounts if further vaccination does not occur. Persistence of vaccine-induced antibodies usually goes well beyond the time when they should have decayed to undetectable levels because of ongoing "natural" boosting or other immunologic mechanisms. The production of memory B and T cells is of clear importance, but the likelihood that a memory response will be fast enough in the absence of a protective circulating antibody level likely depends on the pace of pathogenesis of a specific organism. This concept is discussed with regard to Haemophilus influenzae type b, Streptococcus pneumoniae, and Neisseria meningitidis; hepatitis A and B; diphtheria, tetanus, and pertussis; polio, measles, mumps, rubella, and varicella; rotavirus; and human papilloma virus. With infectious diseases for which the pace of pathogenesis is less rapid, some individuals will contract infection before the memory response is fully activated and implemented. With infectious diseases for which the pace of pathogenesis is slow, immune memory should be sufficient to prevent disease.
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Affiliation(s)
- Michael E Pichichero
- Rochester General Research Institute, Rochester General Hospital, Rochester, New York 14621, USA.
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