The Effectiveness of Influenza Vaccine Among Health Care Workers in a Hospital Setting.

Status

Completed

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT00265161

Enrollment

Registered

2005-12-14

Start date

2005-12-31

Completion date

2007-03-31

Last updated

2007-06-01

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Influenza Vaccines

Keywords

influenza vaccine, effectiveness, health care worker, OBSERVATIONAL STUDY

Brief summary

The study will be held in the winter of 2005-2007. The aim is to assess the effectiveness of the influenza vaccine in health care workers (HCW).

Detailed description

The study will be held in the winter of 2005-2006. Groups of vaccinated HCW and not vaccinated HCW will be followed for symptoms suggestive of influenza. For each event a quick through test for influenza A or B will be done and if positive will be confirmed by viral study. Data regarding days of illness, absence from work, therapy etc., will be collected. Effectiveness will be calculated as well as cost/effectiveness of vaccination.

Interventions

None listed

Study design

Observational model

DEFINED_POPULATION

Time perspective

RETROSPECTIVE

Eligibility

Sex/Gender

ALL

Age

18 Days to No maximum

Healthy volunteers

Yes

Inclusion criteria

* Previously healthy health care worker vaccinated or not

Exclusion criteria

* Immunocompromised state

Countries

Israel

Outcome results