Status:
COMPLETED
Evaluation of the Effectiveness of Vaccination With 2009 H1N1 Vaccines During Influenza Season 2010-11
Lead Sponsor:
Finnish Institute for Health and Welfare
Conditions:
Influenza Caused by the 2009 H1N1 Influenza Virus
Eligibility:
All Genders
18-76 years
Brief Summary
A cohort of 3000 adults is followed to evaluate the effectiveness of the monovalent 2009 H1N1 vaccines used 2009-2010 and seasonal influenza vaccines used 2010-2011 in preventing the first laboratory-...
Detailed Description
In the beginning of the study, changes in the background information collected in the original study (conducted 2009-2010) are asked with a questionnaire. Information on influenza vaccinations is coll...
Eligibility Criteria
Inclusion
- Inclusion criteria for the interview follow-up:
- Participating in the study "Evaluation of a vaccination campaign with A(H1N1)v pandemic vaccines: a prospective cohort study" (AH1N1-483-09THL)
- Assigned to use the services of Tampere health care centre;
- Written consent for the interview follow-up phase obtained by mail;
- Able to adhere to all protocol-required study procedures without any special burden or risk, as judged by the participant himself/herself
- Inclusion criteria for the confirmation of 2009 H1N1 influenza cases:
- Participating in the study interview follow-up of the current study 'Evaluation the effectiveness of vaccination with 2009 H1N1 vaccines during influenza season 2010-11 (H1N1-495-10THL)
- Assigned to use the services of Tampere health care centre
- Written informed consent for the confirmation phase obtained at the first study visit
- Able to adhere to all protocol required study procedures without any special burden or risk, as judged by the investigator or designate
- Exclusion criteria:
- No specific exclusion criteria will be applied
Exclusion
Key Trial Info
Start Date :
September 1 2010
Trial Type :
OBSERVATIONAL
Allocation :
ACTUAL
End Date :
September 1 2014
Estimated Enrollment :
2351 Patients enrolled
Trial Details
Trial ID
NCT01206114
Start Date
September 1 2010
End Date
September 1 2014
Last Update
September 25 2014
Active Locations (1)
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1
National Institute for Health and Welfare
Tampere, Finland, 33520