Impacts of influenza vaccination policy for the elderly and the SARS epidemic on influenza-like illness in Taiwan

2009 ◽  
Vol 12 (3) ◽  
pp. 531-542
Author(s):  
Chieh-Yu Liu ◽  
Lon-Mu Liu ◽  
Hui-Tze Yu ◽  
Yi-Fen Tsai ◽  
Chia-Luen Tsai ◽  
...  
Keyword(s):  
Influenza Vaccination ◽  
The Elderly ◽  
Vaccination Policy ◽  
Influenza Like Illness

scholarly journals Who benefits most from influenza vaccination policy: a study among the elderly in Beijing, China

2016 ◽  
Vol 15 (1) ◽  
Author(s):  
Tongtong Li ◽  
Min Lv ◽  
Trudy Lei ◽  
Jiang Wu ◽  
Xinghuo Pang ◽  
...  
Keyword(s):  
Influenza Vaccination ◽  
The Elderly ◽  
Vaccination Policy ◽  
Beijing China

scholarly journals Knowledge, Attitudes, and Behaviors (KAB) of Influenza Vaccination in China: A Cross-Sectional Study in 2017/2018

Vaccines ◽  
2019 ◽  
Vol 8 (1) ◽  
pp. 7 ◽  
Author(s):  
Xiang Ren ◽  
Elizabeth Geoffroy ◽  
Keqing Tian ◽  
Liping Wang ◽  
Luzhao Feng ◽  
...  
Keyword(s):  
Influenza Vaccination ◽  
Geographical Location ◽  
Cross Sectional Study ◽  
Sectional Study ◽  
Vaccination Policy ◽  
Cross Sectional ◽  
Influenza Like Illness ◽  
Demographic Groups ◽  
Awareness Raising ◽  
Vaccination Campaigns

Background: This study aimed to estimate influenza-like illness (ILI) prevalence, influenza-related healthcare seeking behaviors, and willingness for vaccination. Methods: A retrospective cross-sectional study based on a random dialing telephone survey was conducted from October 2017 through March 2018 to assess influenza-like illness prevalence and vaccination willingness among different demographic groups. Results: 10,045 individuals were enrolled and completed the survey. A total of 2834 individuals (28%) self-reported that they have suffered from influenza-like illness, especially children under 15 years of age. Overall willingness for influenza vaccination in the 2018/2019 influenza season was 45% and was positively associated with higher education level, recommendation from doctors, cost-free vaccination, and vaccination campaigns with employers’ support. Hospitalization and seeking medicine from pharmacies was less frequent in urban locations. People under 15 and over 60 years of age sought medical service more frequently. Conclusions: ILI prevalence differed significantly by age and geographical location/population density. Vaccination policy for motivating key populations at highest risk to vaccinate should take into consideration the awareness-raising of vaccination benefits, barriers reduction of vaccination such as cost, and recommendation via healthcare professionals.

scholarly journals Effectiveness of influenza vaccination in elderly outpatients in São Paulo city, Brazil

2001 ◽  
Vol 43 (6) ◽  
pp. 317-320 ◽  
Author(s):  
Eliana Battaggia GUTIERREZ ◽  
Ho Yeh LI ◽  
Ana Catarina De Seixas SANTOS ◽  
Marta Heloísa LOPES
Keyword(s):  
Influenza Vaccine ◽  
Influenza Vaccination ◽  
Respiratory Illness ◽  
The Elderly ◽  
Sao Paulo ◽  
Lower Number ◽  
São Paulo ◽  
Influenza Like Illness ◽  
Elderly Outpatients ◽  
Health Situation

To investigate the effectiveness of the influenza vaccine in a population of elderly outpatients, we compared the occurrence and frequency of influenza like illness (ILI), respiratory illness and hospitalization in vaccinated and non-vaccinated subjects. All the outcomes were clinically defined. The two groups were similar with respect to demographics, health situation and habits. The influenza vaccine contributed to the protection of the elderly investigated, since the vaccinated subjects referred a significantly lower number of ILI than the non-vaccinated. There is a need for more studies about the effectiveness of the influenza vaccine in our country in elderly and other groups of our population.

scholarly journals Long time trends in influenza-like illness and associated determinants in The Netherlands

2008 ◽  
Vol 137 (4) ◽  
pp. 473-479 ◽  
Author(s):  
F. DIJKSTRA ◽  
G. A. DONKER ◽  
B. WILBRINK ◽  
A. B. VAN GAGELDONK-LAFEBER ◽  
M. A. B. VAN DER SANDE
Keyword(s):  
The Netherlands ◽  
Influenza Vaccination ◽  
The Elderly ◽  
Influenza Viruses ◽  
Vaccine Uptake ◽  
Contributing Factors ◽  
Influenza Like Illness ◽  
Long Time ◽  
Epidemiological Trends ◽  
The Impact

SUMMARYWe analysed long-term epidemiological trends in influenza-like illness (ILI) in The Netherlands and used an ecological analysis to estimate its relationship with age, influenza vaccination, and virological aspects. This study used data from weekly ILI consultation reports from sentinel general practitioners (1986/1987 to 2006/2007), virological data from sentinel ILI patients (1992/1993 to 2006/2007), and data for influenza vaccine uptake (1991–2005). The incidence of ILI consultations, although varying during the study period, was estimated to decrease in the total population by 12·2/10 000 persons each season (95% CI 8·6–15·9). Uptake of influenza vaccination in people aged ⩾65 years (elderly) increased from 28% in 1991 to >70% since 1997. ILI incidence in the elderly declined by 1·7/10 000 persons (P=0·05) per percentage vaccine uptake per season. The decline in ILI incidence over the last 20 years could be related to the increased vaccine uptake. However, insufficient data were present to assess the impact of other potential contributing factors, such as diminished fitness of influenza viruses and changes in consulting behaviour.

Influenza vaccination in the elderly

1999 ◽  
Vol 55 (22) ◽  
pp. 1591-1593
Author(s):  
SNACKEN R
Keyword(s):  
Influenza Vaccination ◽  
The Elderly

scholarly journals A Call for a Reform of the Influenza Immunization Program in Mexico: Epidemiologic and Economic Evidence for Decision Making

Vaccines ◽  
2021 ◽  
Vol 9 (3) ◽  
pp. 286
Author(s):  
Roberto Tapia-Conyer ◽  
Miguel Betancourt-Cravioto ◽  
Alejandra Montoya ◽  
Jorge Abelardo Falcón-Lezama ◽  
Myrna María Alfaro-Cortes ◽  
...  
Keyword(s):  
Cost Effectiveness ◽  
Influenza Vaccination ◽  
Vaccination Coverage ◽  
Decision Analytic Model ◽  
Limited Information ◽  
Vaccination Policy ◽  
Cross Sectional ◽  
Influenza Case ◽  
One Year ◽  
Effectiveness Studies

Limited information is available to determine the effectiveness of Mexico’s national influenza vaccination guidelines and inform policy updates. We aim to propose reforms to current influenza vaccination policies based on our analysis of cost-effectiveness studies. This cross-sectional epidemiological study used influenza case, death, discharge and hospitalization data from several influenza seasons and applied a one-year decision-analytic model to assess cost-effectiveness. The primary health outcome was influenza cases avoided; secondary health outcomes were influenza-related events associated with case reduction. By increasing vaccination coverage to 75% in the population aged 12–49 years with risk factors (diabetes, high blood pressure, morbid obesity, chronic renal failure, asthma, pregnancy), and expanding universal vaccination coverage to school-aged children (5–11 years) and adults aged 50–59 years, 7142–671,461 influenza cases; 1–15 deaths; 7615–262,812 healthcare visits; 2886–154,143 emergency room admissions and 2891–97,637 hospitalizations could be prevented (ranges correspond to separate age and risk factor groups), with a net annual savings of 3.90 to 111.99 million USD. Such changes to the current vaccination policy could potentially result in significant economic and health benefits. These data could be used to inform the revision of a vaccination policy in Mexico with substantial social value.

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