2022-11-25 08:56:54

Universal flu vaccine could protect against pandemics

Logo The Independent
The Independent
By Holly Bancroft

Scientists say they have made a breakthrough in designing a universal vaccine that could protect against flu.

It will protect against all 20 known types of flu and uses the same technology as the Covid vaccines.

A universal vaccine would not mean an end to flu seasons but would replace the guesswork that goes into developing annual shots months ahead of flu season each year.

The new two-dose vaccine triggered high levels of antibodies in tests on ferrets and mice. It contains safe copies of parts of all 20 known types of the flu virus, enabling the animals immune systems to recognise and learn to fight them.

In lab experiments, vaccinated animals immune systems recognised the flu virus and defended against 18 different strains of influenza A and two strains of influenza B.

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