Guest: Sara Mojtehedzadeh, Toronto Star’s Work and Wealth Reporter In COVID’s third wave, workplaces are the single largest outbreak settings, according to Ontario’s provincial data. More than 23,500 Ontarians have contracted COVID from work, many of them in industries like warehousing, manufacturing and food processing, the very sectors helping support millions through the pandemic. 15 months on, what’s our big blindspot in how to slow down transmission? Is there a fundamental misunderstanding by the province and by businesses, in how COVID actually spreads? We explore how aerosol and ventilation could be the key to safe workplaces.