Annual Flu Letter 2024/25. ‘based on the evidence that flu vaccine’s effectiveness can wane over time in adults jcvi have advised moving the start of the. The department of health and social care, the uk health security agency (ukhsa) and nhs england have jointly published the national flu vaccination programme.

‘based on the evidence that flu vaccine’s effectiveness can wane over time in adults jcvi have advised moving the start of the. Several companies, including gsk, sanofi and csl seqirus are beginning to ship influenza vaccine for the upcoming season 2024/25 flu season.