scholarly journals Risk Perception, Preventive Behaviors, and Vaccination Coverage in the Korean Population during the 2009–2010 Pandemic Influenza A (H1N1): Comparison between High-Risk Group and Non–High-Risk Group

PLoS ONE ◽  
2013 ◽  
Vol 8 (5) ◽  
pp. e64230 ◽  
Author(s):  
Jung Yeon Heo ◽  
Soung Hoon Chang ◽  
Min Jung Go ◽  
Young Mee Kim ◽  
Sun Hye Gu ◽  
...  
2011 ◽  
Vol 140 (6) ◽  
pp. 1102-1110 ◽  
Author(s):  
N. ARINAMINPATHY ◽  
N. RAPHAELY ◽  
L. SALDANA ◽  
C. HODGEKISS ◽  
J. DANDRIDGE ◽  
...  

SUMMARYA pandemic influenza A(H1N1) 2009 outbreak in a summer school affected 117/276 (42%) students. Residential social contact was associated with risk of infection, and there was no evidence for transmission associated with the classroom setting. Although the summer school had new admissions each week, which provided susceptible students the outbreak was controlled using routine infection control measures (isolation of cases, basic hygiene measures and avoidance of particularly high-risk social events) and prompt treatment of cases. This was in the absence of chemoprophylaxis or vaccination and without altering the basic educational activities of the school. Modelling of the outbreak allowed estimation of the impact of interventions on transmission. These models and follow-up surveillance supported the effectiveness of routine infection control measures to stop the spread of influenza even in this high-risk setting for transmission.


2012 ◽  
Vol 17 (13) ◽  
Author(s):  
D Walter ◽  
M M Böhmer ◽  
S Reiter ◽  
G Krause ◽  
O Wichmann

During the influenza A(H1N1)pdm09 pandemic in 2009/10, a total of 13 consecutive surveys were carried out of the general population in Germany to monitor knowledge, attitude and behaviour concerning the disease and vaccination against pandemic influenza in real time. In total, 13,010 persons aged 14 years or older were interviewed by computer-assisted telephone techniques between November 2009 and April 2010. During the peak of the pandemic, only 18% of participants stated that they perceived the risk of pandemic influenza as high; this proportion fell to 10% in January 2010. There was a significant difference in information-seeking behaviour among population subgroups concerning the disease and vaccine uptake. However, in all subgroups, conventional media sources such as television, radio and newspapers were more frequently used than the Internet. While the majority of participants (78%) felt sufficiently informed to make a decision for or against vaccination, overall vaccination coverage remained low. Among those who decided against vaccination, fear of adverse events and perception that the available vaccines were not sufficiently evaluated were the most frequently stated reasons. Such mistrust in the vaccines and the perceived low risk of the disease were the main barriers that contributed to the low vaccination coverage in Germany during the pandemic.


Author(s):  
Eduardo Pernambuco de Souza ◽  
Marcelo de Souza Teixeira

The aim of this cross-sectional study was to determine, among medical students at a public university in Rio de Janeiro, Brazil, the acceptance of the pandemic influenza A/H1N1 vaccine during the 2010 mass immunization campaign and the vaccine safety in this group and, among unvaccinated students, the reasons for refusing vaccination. Of a total of 858 students, 678 (79%) participated in the study. Vaccination coverage was 60.4% among students aged 20 to 39 years (an age group targeted for vaccination) and 43.8% among those who did not belong to this age group. The most frequent adverse reactions to the vaccine were pain at the injection site (8.7%) and fever (7.9%). There were no serious adverse reactions. Among students aged 20 to 39 years, the most common reasons for refusing the vaccine were "lack of time" (42.4%), "fear of adverse reactions" (41.9%), and "difficult access to the vaccine" (11.5%). Other reasons for vaccine refusal were "uncertainties about vaccine safety and efficacy" and "vaccination was not needed". To increase the acceptance of the influenza vaccine, a comprehensive immunization program should be offered to these students.


Author(s):  
Motoko Kosugi

As of June 2021, there have been more than 13,000 deaths in Japan due to the COVID-19 pandemic. Data from the Ministry of Health, Labor, and Welfare show that the mortality rate of COVID-19 greatly varies by age. In this study, using data from a questionnaire survey, an investigation was carried out to find differences in anxiety and risk perception, attitudes toward risk, and the frequency of implementation of countermeasures to infection among age groups that are prone to a greater risk of mortality, as well as the main factors that determine the frequency of implementation. Older people, who form a high-risk group, have a stronger tendency for anxiety and cautious attitudes toward COVID-19, and they more frequently implement preventive behaviors. The results of multiple regression analysis showed that the frequency of implementation of behaviors is determined not only by anxiety, cautious attitude, risk of aggravation to oneself, and perceived effectiveness of behaviors but also by regret, altruism, and conformity. In addition, almost no age-based gap was found between the determinants, suggesting that the motivation to take infection preventive behaviors is the same regardless of age.


2011 ◽  
Vol 26 (S1) ◽  
pp. s125-s125
Author(s):  
M. Omberg

IntroductionThe European Center for Disease Control and Prevention (ECDC) identified young children as a group at higher risk of developing severe pandemic influenza A (H1N1) 2009 infection compared with the general population. Since children have high attack rates and seem essential in augmenting local outbreaks of influenza, vaccination of children was an important objective in the Swedish pandemic influenza A (H1N1) 2009 vaccination campaign. Children < 13 years of age were recommended to take two doses of the pandemic vaccine (Pandemrix®).ObjectiveThe objective of this study was to compare the vaccination coverage among children 1–12 years of age in different councils in the County of Jämtland, Sweden that either implemented an active advocating or a passive vaccination strategy. The active strategy included direct information to parents promoting vaccination, individual appointments, collaboration between different care providers, and visits of vaccination teams to day care centers and schools, whereas no specific measures, except general information in press and media, were undertaken in councils using a passive approach.MethodsAll pandemic vaccinations in the County of Jämtland were registered in a Web-based registration software system. Vaccine coverage was determined by comparing the actual number of children residing in different councils with the number of vaccinated children.ResultsA total of 4,162 of 6,000 children (69.3%) residing in councils using an active vaccination strategy were vaccinated compared with 5,059 of 9,373 children (53.9%) living in councils using a passive vaccination strategy (p < 0.0001)ConclusionsImplementation of an active advocating vaccination strategy during the Swedish pandemic influenza A (H1N1) 2009 vaccination campaign resulted in a significantly higher vaccination coverage rate compared with a passive vaccination strategy.


Vaccine ◽  
2011 ◽  
Vol 29 (23) ◽  
pp. 4008-4012 ◽  
Author(s):  
Dietmar Walter ◽  
Merle M. Böhmer ◽  
Matthias an der Heiden ◽  
Sabine Reiter ◽  
Gérard Krause ◽  
...  

2010 ◽  
Vol 15 (2) ◽  
Author(s):  
C Fuhrman ◽  
I Bonmarin ◽  
A C Paty ◽  
N Duport ◽  
E Chiron ◽  
...  

From 1 July 2009 to 15 November 2009, 244 patients with 2009 pandemic influenza A(H1N1) were admitted to intensive care unit (ICU) and were compared with 514 cases hospitalised in medical wards in France until 2 November 2009. Detailed case-based epidemiological information and outcomes were gathered for all hospitalised cases. Infants and pregnant women are overrepresented among cases admitted to ICU with seven per cent for both groups respectively, and twenty per cent of ICU cases did not belong to a risk group. Chronic respiratory disease was the most common risk factor among cases but obesity (body mass index ≥ 30 Kg/m2), chronic cardiac disease and immunosuppression were risk factors associated with severe illness after adjustment for age and for other co-morbidities.


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