Scientists have developed a virus-killing plastic that could make it harder for bugs, including Covid, to spread in hospitals and care homes. The material was tested in the laboratory against four types of virus two influenzas, the Covid virus and a picornavirus, which has the traits that make a virus highly stable outside the body. In controlled laboratory conditions, about one million virus particles were placed on the self-sterilising plastic. This is far beyond the amount of virus that would be needed to start an infection. The idea is to make a material so hostile to a virus that it cannot survive there. The metal copper has been shown to kill microbes on contact, but is not very flexible. Do you think that it is practically possible to eliminate the viruses from hospitals and homes

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