Extract:
Swab tests are known to be unreliable. Doctors and hospital bosses have told the Guardian that about 25% of those carried out during the pandemic wrongly said that a carrier was not infected. Medical research has found that as many as 29% yield a false negative.
"The HCSA, which represents thousands of frontline medics, is worried that staff wrongly declared to be virus-free after being tested could lead to patients becoming infected while in hospital.
"Boris Johnson recently told MPs thathospital-acquired Covid-19was leading to an “epidemic” of patient deaths. A PHE study last week found that as many as 20% of inpatients and 90% of healthcare workerscontracted the virus while in hospital.
"In a strongly worded letter to PHE, the HCSA’s general secretary, Dr Paul Donaldson, a consultant microbiologist, said: “Statements by PHE offcials and others place the incidence of false negatives somewhere between 20% and 30%. If confirmed, this is a worryingly high rate which raises the prospect of many infected individuals, possibly without symptoms, being passed fit to return to healthcare settings where they will transmit SARS-CoV-2 to colleagues and patients.”