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His reply in Lok Sabha came in response to a question by BJP MP Rajdeep Roy, who sought to know whether the government was aware of the United States Environmental Protection Agency’s announcement in February, 2021 that certain copper alloys provided long-term effectiveness against viruses, including COVID-19.
“Antimicrobial copper coating has been provided in 300 coaches by Rail Coach Factory, Kapurthala. The copper coating is given on the entrance handrail and handle for the vestibule area,” he said during Question Hour.
Vaishnaw, however, said the use of copper on a large scale was not economically viable.
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