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Scientists in the USA say they are closer to a vaccine that will provide life-long protection against any type of influenza. This could welcome news for millions of people around the world who to the doctor every year to get a flu jab. Two different research teams have been new drugs on animals and both have promising results. Trials will soon on humans to if the test vaccine has similar successes. Flu expert professor John Oxford the BBC that: "This is a leap forward to anything done recently. They have good animal data, not just in mice but in ferrets and monkeys too." He added that: "It's a very good stepping stone."

The flu virus up to half a million people every year. The problem with finding a vaccine the ever-changing nature of the flu virus. It is in a constant state of mutation. Doctors have to which strains of the virus are likely to the most infections and then create an updated version of the vaccine accordingly. For this reason, the success rate of most flu vaccines very low because much of the process a lot of guesswork. Scientists say that vaccines in the U.S. the risk of catching flu by just 23 per cent last year. The website Inverse.com the research could, "point to how we can about making vaccines for other viruses that rapidly, like HIV or the common cold".