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Health authorities are preparing to roll out a new line-up of home-grown vaccines to battle Omicron subvariants.

Now scientists in the united states have developed a vaccine against all 20 known a and b strains. the vaccine gave broad protection in animal trials using mice and ferrets. the vaccine was created using the same mrna technology as deployed in the pfizer—biontech and moderna covid jabs. it contains instructions to our cells to produce the different spike proteins on the surface of the virus. so why does this matter? a universal flu vaccine would not give perfect protection, and we would probably need a newjab each winter — but it could prime the immune system against every potential flu th...

Scientists in america say they've made a major breakthrough in designing a vaccine against all known strains of flu. 0ur medical editor, fergus walsh, is here. we are locked in a perpetual war against the constantly changing flu virus. every year scientists have to make an educated guess as to which strains will be circulating. this winter's flu vaccine protects against four strains of flu including h1n1 which triggered the swine flu pandemic and h3n2 — the most common strain globally. now, scientists in the united states have developed a vaccine against all 20 known a and b strains. the vac...