The testing capacity for Covid-19 is helping to bring down the rates of infection but the waste produced poses a real cause for concern, according to a report.
Government figures show the UK is now testing over 580,000 people per day – or over 4 million people per week – for the Covid-19 virus.
This number includes tests taken at Covid testing centres, door-to-door tests, and the quicker lateral flow tests being used in workplaces and schools – but does not include antibody tests, which check if a person has had the virus previously, so the true number of daily test kits used is likely to be much higher.
A report by waste removal firm Divert says the volume of testing kits being used on a daily basis poses a huge headache for the disposal industry.
As the Covid-19 testing process involves either nasal or throat swabs (or, for antibody testing, blood samples) the kits must then be disposed of as clinical waste, in incinerators. In the past, individual hospitals often had their own incinerators to dispose of medical waste, but this idea was short-lived as the resulting pollution was a concern, and private contractors have handled the waste since the 1990s.
But these contractors are now raising the alarm that their incinerators are at full capacity, and have been for a while, with medical waste quite literally piling up, as a result, the instantly-recognizable yellow medical waste bins overflowing. In turn, this has angered those in the industry who say they have been warning the government ‘for years’ about the need for increased capacity.
NHS chiefs admitted in 2018 that there was a national capacity issue amid growing backlogs of medical waste and clinical waste management firms being forced to store waste above their permitted allowance as a result. Despite this, waste management firms are once again warning of mounting problems as Covid-19 testing places unexpected stress on the system.
Firms, fearful of repercussions like those seen by waste management businesses who were penalised during the 2018 crisis, are turning away contracts for Covid-19 test centre waste, leading many to call the issue a public health ‘emergency’.
Mark Hall of Divert said: “It’s important to note that, of course, the huge scale of Covid-19 testing in the United Kingdom is a good thing – it allows us to track the spread of the virus, which is enormously important in tackling the pandemic and allowing us to return to pre-Covid life.
“However, the sheer number of testing kits being processed each day without adequate disposal capacity to handle the waste generated, combined with the accuracy of some lateral flow tests being as low as 57.5% makes it a serious cause for concern, and we hope it will spark further conversations in the medical manufacturing industry about the way in which we approach the issue of medical waste.
“Hundreds of thousands of pieces of single-use plastic are disposed of daily by the medical industry, from syringes to gloves to the Covid test kits, and many of these seem unavoidable.”
Experts in the field such as Tony Capon, director of the Monash Sustainable Development Institute said that there are long term steps that could be taken to reduce unnecessary medical waste.
He said: “When I was beginning my medical career, it was standard practice for things to be cleaned and autoclaved. Medical equipment was routinely cleaned up, sterilised and reused.”
Others note that changes in practices – such as encouraging handwashing rather than glove use, where appropriate – could help decrease excessive waste.