EU, European Union, Europe Unie, Europa Unida
Saturday 25 April 2020
Coronavirus: Diagnostic testing and smartphone contact tracing to beat pandemic
What makes the Covid-19 pandemic so difficult to contain? Silent transmission by asymptomatic patients is partly responsible, but research emerging from Germany suggests the SARS-CoV-2 virus has developed a second impressive strategy for ensuring its success: the ability to establish two separate communities within a host – the first in the throat, the second in the lungs. Early colonisation of the throat is responsible for the dangerous lag between a person being infectious and the onset of symptoms.
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