Proving the Effectiveness of HEPA Filters in Reducing Covid-19 Sick Days Has Been Slow

As temperatures drop in London, there is an increasing focus on the impact of Covid-19. With the rise in reported cases in the UK, concerns about the strain on hospitals have resurfaced. While the population has developed some level of immunity to the virus, the vulnerability of people in hospitals raises questions about the need to reintroduce measures such as wearing masks and stricter isolation policies for staff.