Covid-19 is evolving rapidly into a more contagious form.The mutation is a naturally-occurring process, which tends to happen in all viruses as humans develop defences against them.In this case, the new mutated form of coronavirus appears to be more contagious, and less deadly.A new US study has identified the mutation, named D614G by scientists, by changes in the structure of the "spike protein" on its surface.Researchers found that people infected with this new coronavirus strain had higher viral loads in their nose and throat making it more likely for them to pass the virus on to others.As other random mutations may become less contagious, the new strain identified by the team in Houston, Texas is becoming dominant.Study author James.
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