As Schools Spend Millions on Air Purifiers, Experts Warn of Overblown Claims and Harm to Children
Last summer, Global Plasma Solutions wanted to test whether the company’s air-purifying devices could kill covid-19 virus particles but could...
Last summer, Global Plasma Solutions wanted to test whether the company’s air-purifying devices could kill covid-19 virus particles but could...
Aneri Pattani and Ed Mahon, Spotlight PA This investigation is a joint project of KHN, a national newsroom that produces in-depth...