Appearing on ITV’s Lorraine, he explained: “In China they’re talking about identifying two strains of this coronavirus – one of which is milder and gives people mild symptoms, just like a cold.
“And some people have this aggressive form, which is a much more severe illness.
“This could easily account for the fact that some people are hospitalised with severe symptoms, and other people go about their normal lives, a cough and a cold, just like ordinary severe colds or flu. So that’s quite likely.”
Dr Hilary continued: “When you think about how a virus mutates and it regenerates, in one person the virus will go from one virus to two viruses to four viruses to eight viruses, and as it becomes billions of viruses, within a matter of hours, the chances of a mutation are quite high.
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