Immunogenicity of Pandemic Influenza A 2009 (H1N1) vaccination in health care workers

Immunogenicity of Pandemic Influenza A 2009 (H1N1) vaccination in health care workers - 2009 influenza A(H1N1) vaccination in health care workers

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000004392

Enrollment

Registered

2010-10-15

Start date

2009-10-01

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

Pandemic influenza A 2009 (H1N1)

Interventions

Subcutaneus injection of 15 &amp

micro

g of hemagglutinin antigen dose of monovalent, unadjuvanted 2009 influenza A(H1N1) vaccine in a 1-dose regimen.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Pediatrician working in Kitano Hospital

Exclusion criteria

Exclusion criteria: excluding the above-mentioned

Design outcomes

Primary

Measure	Time frame
To assess the immunogenicity of a 2009 influenza A(H1N1) vaccine in health care workers.	—

Secondary

Measure	Time frame
To assess the safety of a 2009 influenza A(H1N1) vaccine in health care workers.	—

Countries

Japan

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026