Making a Vaccine for a Virus That Never Stops Changing

Every year the WHO makes recommendations on the composition of influenza vaccines.

This year the meeting to decide on the vaccines for the Northern Hemisphere 2025-26 was held at the Francis Crick Institute.

This film follows the work of scientists from the Worldwide Influenza Centre at the Crick in the run up to that decision.

#fluseason #flu #vaccine

In this video
• 00:00 Flu virus samples arrive at the Crick
• 01:53 Moving targets
• 03:33 How RNA is extracted from flu viruses
• 06:15 Testing flu vaccines against virus samples
• 08:48 Why the flu vaccine decision is in February
• 09:21 Sequencing a flu virus
• 11:23 Flu virus family tree
• 13:42 Looking ahead

The Francis Crick Institute
The Francis Crick Institute is a biomedical research institute and independent charity. We bring together people from different fields and specialisms to tackle some of the biggest questions in health and disease.

Based in the heart of London’s Kings Cross, we’re the biggest biomedical research facility under a single roof in Europe and are home to a free public exhibition space.

Keep up to date with everything going on at the Crick
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