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<p>The UK Health and Safety Laboratory conducted a small pilot study of a number of
technologies used as ‘air purifiers’ as a preliminary indication of the potential
for these systems to improve air quality. However, this pilot preceded the COVID-19
pandemic and therefore did not focus on airborne virus control.</p><p> </p><p>While
the Scientific Advisory Group on Emergencies undertook a review of existing evidence
on the application of UV disinfection, visible light, local air filtration and fumigation
technologies to microbial control, it did not make an assessment of technologies supplied
by companies. In our earlier answer to Question 496, we stated that Public Health
England undertook an assessment of such technologies. However, this information was
incorrect and we have amended the record by Written Ministerial Statement on 1 March
2022 <a href="https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fquestions-statements.parliament.uk%2Fwritten-statements%2Fdetail%2F2022-03-01%2Fhcws648&data=04%7C01%7CDavid.Gosling%40dhsc.gov.uk%7C74ba698a24c74d6eab1b08da170bbcb6%7C61278c3091a84c318c1fef4de8973a1c%7C1%7C0%7C637847636423860232%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=UbDXZQq48LESuf7K4DTkqM%2FURfdzBbX7bWN2KPcxy7w%3D&reserved=0"
target="_blank">HCWS648</a>.</p><p> </p><p>The UK Health Security Agency (UKHSA) accepts
submissions from companies for technologies and associated credentials. Interested
parties can contact UKHSA directly to provide further information on the potential
use of such technologies.</p>
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