Delly Fayette

How Long Does The Flu Last 2024 Uk.  — the effectiveness of flu vaccination will vary from year to year, depending on the match between the strain of flu in circulation and that contained in the vaccines. We explain what to expect when you have the flu, how long you’re contagious,.

Based on the evidence that flu vaccine’s effectiveness can wane over time in adults, the jcvi has advised moving the start of the programme for most adults to the.  — the effectiveness of flu vaccination will vary from year to year, depending on the match between the strain of flu in circulation and that contained in the vaccines.