Measles outbreaks in high schools closely associated with sporting events in Niigata, Japan

Sasaki, Asami; Sano, Hiroshi; Sakai, Takatugu; Sato, Maki; Shobugawa, Yugo; Saito, Reiko

doi:10.1016/j.jinf.2007.04.004

Cited by 8 publications

(7 citation statements)

References 14 publications

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“…Of these, 19 were solitary reports of an outbreak in a single sport [5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20][21][22][23] ; 3 (including 2 from Juntendo University 24,25 ) addressed a tinea epidemic due to Tricophyton tonsurans among combat-sport (mainly judo, although one also included wrestlers 26 ) competitors in Japan [24][25][26] ; 1 reported on a single measles virus outbreak involving competitors in 2 sports;hairsp 27 ; and 1 discussed the importance of sentinel surveillance sites in high school athletic departments to monitor outbreaks of CA-MRSA across a variety of sports. 28 When we excluded this latter study from analysis (because its main focus was not a specific outbreak) and counted the 3 articles on the tinea outbreak among combatsport competitors in Japan as a single outbreak, a total of 21 outbreaks or clusters were reported in the time period.…”

Section: Resultsmentioning

confidence: 99%

“…One outbreak was facilitated by both a marathon race and a kendo (Japanese fencing) event. 27 The most common pathogens responsible for the outbreaks were MRSA (n ¼ 7, 33%) and tinea (trichophytosis; n ¼ 6 [29%]). Six of the 7 MRSA outbreaks were due to CA-MRSA; 1 report 14 did not include typing studies, but the nature of the outbreak suggested that it was also due to CA-MRSA.…”

Section: Resultsmentioning

confidence: 99%

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Infectious Disease Outbreaks in Competitive Sports, 2005–2010

Collins

O’Connell

2012

Journal of Athletic Training

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Context Old, evolving, and new infectious agents continually threaten the participation of competitors in sports. Objective To provide an update of the medical literature on infectious disease outbreaks in sport for the last 5 years (May 2005–November 2010). Main Outcome Measure(s) A total of 21 outbreaks or clusters were identified. Results Methicillin-resistant Staphylococcus aureus (n = 7, 33%; mainly community acquired) and tinea (trichophytosis: n = 6, 29%) were the most common pathogens responsible for outbreaks. Skin and soft tissue was the most common site of infection (n = 15, 71%). Conclusions The majority of outbreaks reported occurred in close-contact sports, mainly combat sports (ie, wrestling, judo) and American football. Twelve outbreaks (57%) involved high school or collegiate competitors. Common community outbreak pathogens, such as influenza virus and norovirus, have received little attention.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Infectious Disease Outbreaks in Competitive Sports, 2005–2010

Collins

O’Connell

2012

Journal of Athletic Training

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“…Some studies have revealed that conducting a revaccination program in secondary school may be a way to improve immunity for adolescents, which may improve the interruption of measles virus circulation in young adults [28], [29]. Most adults aged 30 years and older were born in the pre-vaccine era and thus infected measles.…”

Section: Discussionmentioning

confidence: 99%

Cross-Sectional Surveys of Measles Antibodies in the Jiangsu Province of China from 2008 to 2010: The Effect of High Coverage with Two Doses of Measles Vaccine among Children

Liu

et al. 2013

PLoS ONE

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BackgroundChanges in the epidemiological characteristics of measles since 2007 appeared in the Jiangsu province. Although the reported coverage with two doses of measles vaccine was greater than 95% in most regions of the province, measles incidence remained high across the whole province. Cross-sectional serological surveys of measles antibodies in the Jiangsu province of China were conducted from 2008 to 2010 to assess and track population immunity.MethodsMeasles-specific IgG levels were measured in serum samples using ELISA. GMTs and seroprevalence with 95% CIs were calculated by region, gender, and age. ANOVA and χ2 tests were used to test for statistically significant differences between groups for GMT levels and seroprevalence, respectively.ResultsSeroprevalence showed a significantly increasing trend annually (CMH χ2 = 40.32, p<0.0001). Although the seroprevalence among children aged 2–15 years was consistently over 95%, vaccine-induced measles antibodies may wane over time. Measles seropositivity in the Jiangsu province was 91.7% (95% CI: 90.1–93.2%) in 2010. Among adults aged 15 to 29-year-olds, the seropositivity rate was 88.4% (95% CI: 82.7–92.8%).ConclusionsVaccination strategies may need to be adjusted depending on the individual age and regions, particularly individuals between the ages of 8 months-14 years old and 20–29 years old. Additional SIAs are likely required to eliminate measles in China.

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“…Until the start of coronavirus disease 2019 (COVID-19) pandemic in 2020, the number of inbound overseas travelers increased in the last several decades and was expected to continue to increase in the future. Several studies have suggested the possibility of increased transmission of infectious diseases owing to greater international travel and arrivals [13][14][15][16], suggesting that the inflow of infected travelers may be associated with the epidemics. Indeed, we recently reported that early cases of COVID-19 in January-February 2020 in Japan were concentrated in prefectures where the numbers of foreign travelers were high [17].…”

Section: Introductionmentioning

confidence: 99%

Shifts in the epidemic season of human respiratory syncytial virus associated with inbound overseas travelers and meteorological conditions in Japan, 2014–2017: An ecological study

et al. 2021

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Few studies have examined the effects of inbound overseas travelers and meteorological conditions on the shift in human respiratory syncytial virus (HRSV) season in Japan. This study aims to test whether the number of inbound overseas travelers and meteorological conditions are associated with the onset week of HRSV epidemic season. The estimation of onset week for 46 prefectures (except for Okinawa prefecture) in Japan for 4-year period (2014–2017) was obtained from previous papers based on the national surveillance data. We obtained data on the yearly number of inbound overseas travelers and meteorological (yearly mean temperature and relative humidity) conditions from Japan National Tourism Organization (JNTO) and Japan Meteorological Agency (JMA), respectively. Multi-level mixed-effects linear regression analysis showed that every 1 person (per 100,000 population) increase in number of overall inbound overseas travelers led to an earlier onset week of HRSV epidemic season in the year by 0.02 week (coefficient –0.02; P<0.01). Higher mean temperature and higher relative humidity were also found to contribute to an earlier onset week by 0.30 week (coefficient –0.30; P<0.05) and 0.18 week (coefficient –0.18; P<0.01), respectively. Additionally, models that included the number of travelers from individual countries (Taiwan, South Korea, and China) except Australia showed that both the number of travelers from each country and meteorological conditions contributed to an earlier onset week. Our analysis showed the earlier onset week of HRSV epidemic season in Japan is associated with increased number of inbound overseas travelers, higher mean temperature, and relative humidity. The impact of international travelers on seasonality of HRSV can be further extended to investigations on the changes of various respiratory infectious diseases especially after the coronavirus disease 2019 (COVID-19) pandemic.

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Measles outbreaks in high schools closely associated with sporting events in Niigata, Japan

Cited by 8 publications

References 14 publications

Infectious Disease Outbreaks in Competitive Sports, 2005–2010

Infectious Disease Outbreaks in Competitive Sports, 2005–2010

Cross-Sectional Surveys of Measles Antibodies in the Jiangsu Province of China from 2008 to 2010: The Effect of High Coverage with Two Doses of Measles Vaccine among Children

Shifts in the epidemic season of human respiratory syncytial virus associated with inbound overseas travelers and meteorological conditions in Japan, 2014–2017: An ecological study

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