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Early Flu Season Strains Vaccine Supply, Experts Warn
11 Dec, 2025
Summary
- Flu vaccine stock is low due to early season and ordering challenges.
- Orders for vaccinations are placed in February, making prediction difficult.
- The dominant flu strain may have mutated, potentially reducing vaccine effectiveness.
Several health boards have been compelled to close wards and limit visitations as flu cases surge, prompting calls for people to resume mask-wearing. The current low stock of flu vaccinations is attributed to several factors, including the early arrival of the flu season.
Ordering vaccine supplies is a complex process, with pharmacists placing orders around February. This makes it challenging to accurately predict demand, as Mr. Osprey explained. If too little is ordered, demand cannot be met; conversely, excess stock must be destroyed as it cannot be used in subsequent seasons.
Compounding the issue, the dominant flu strain is believed to have mutated more than usual during the summer. While the vaccine will still offer some protection and prevent serious illness, its overall effectiveness may be reduced.
