By Sam Blanchard Health Reporter For Mailonline
Published: 16:30 GMT, 8 March 2019 | Updated: 16:30 GMT, 8 March 2019
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A pill to fight the flu could be closer than expected as scientists reveal they are developing a drug which mimics the immune system.
The medication could be a promising shot at a cure because it can work against various strains of the virus and is cheap to make, researchers say.
It works by sticking to the flu virus to stop it being able to attack the body's cells and trigger the illness.
The drug's developers say they have already seen it successfully 'neutralise' flu infections in lab tests and even mice protect mice from usually-fatal doses of the virus.
Dutch pharmaceutical firm Janssen is developing a drug which attaches to the parts of viruses which barely change as influenza mutates into different strains (stock image of flu viruses)
Scientists at the pharmaceutical company Janssen in the Netherlands are developing the drug, currently only known as JNJ4796.
When they tested the drug on mice and gave the animals a dose of flu 25 times higher than would usually kill them, they survived, the New Scientist reported.
JNJ is a medicine which mimics antibodies – proteins in the blood which attach to invading viruses and destroy them.
The body produces antibodies naturally when it is exposed to an infection, but this can take days and not happen quickly enough to avoid someone becoming sick.
By putting this new drug into a pill, doctors could produce an antibody effect when someone is diagnosed, which could be quick enough to stop the illness taking hold.
'[This] holds promise as an urgently sought-after therapeutic option offering