Health
Covid-19 carriers ‘most infectious earlier on’ – BBC News
Greatest risk of passing the virus on is in the first few days of having symptoms, analysis suggests.
By Smitha MundasadHealth reporter
image copyrightGetty Images
People are most likely to pass on coronavirus within the first five days of having symptoms, an extensive study suggests.
The research indicates patients had the highest levels of virus early on in their illness and “live” virus, capable of replicating, was found up to nine days after symptoms began.
UK scientists say their study emphasises early isolation is critical to stopping spread.
The work appears in the
Lancet Microbe.
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