Earlier this month Matt Hancock, the Health Secretary, insisted Operation Moonshot was still going ahead and aimed to provide huge numbers of tests which could deliver a result in as little as 20 minutes.
However, Prof Deeks said: “The test detects trace amounts of viral genome sequence, which may be either live transmissible virus or irrelevant RNA fragments from previous infection.
“A positive result in someone without symptoms or known recent exposure may be from live or dead virus, and so does not determine whether the person is infectious and able to transmit the virus to others.
“Real concern exists that many people who are not infectious (and not likely to become infectious) will receive positive test results, and together with their contacts, will be forced to isolate unnecessarily. In the context of mass surveillance, this could be a majority of those who test positive.”
The false positive rate of
Diagnoses of heart failure, coronary heart disease and diabetes fell by up to half during lockdown, GP records show in a new Lancet study. Electronic health records of approximately 250,000 people in Salford, Greater Manchester, were analysed to identify the impact of...
Levels of anxiety and happiness saw the greatest change when lockdown was introduced compared with pre-pandemic levels, researchers added. For the first time, the ONS also detailed people's personal responses to the pandemic. In April, one respondent said: "Am unable...