Seasonal influenza
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1) Has provided written consent to research participation by the participant or via the legal representative. 2) Is not willing to receive a seasonal influenza vaccine after the date of consent until the end of research observation period. 3) Is able to visit the research institution upon report and undergo the tests specified in the protocol when seasonal influenza-like symptoms are observed during the research observation period (report by a legal representative is also acceptable).
Exclusion criteria
Exclusion criteria: 1) Is received a seasonal influenza vaccine from 6 months before the start of resarch observation period to the date of consent in each season. 2) Has a medical history of a seasonal influenza from 6 months before the start of resarch observation period to the date of consent in each season.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| 1) The proportion of participants reporting seasonal influenza cases 2) Strains of influenza virus in participants reporting seasonal influenza cases | — |
Contacts
Daiichi Sankyo Co., Ltd.