Tens of thousands of Britons who had Covid-19 may have wrongly been told they were free of the virus
Tens of thousands of Britons given Covid-19 may have wrongly been told they were free of the virus because of the tests the government uses, research suggests. Scientists in the US analysed the accuracy of nasal swabs taken by the patient themselves against a saliva test and nasopharyngeal swabs. Nasopharyngeal swabs, conducted only by a … Read more