"It was 104F (40C) outside, but in the chicken houses, it was even hotter.
Between the sweat and the enormous industrial fans to stave off even higher temperatures, workers couldn’t keep their goggles and masks sealed on their faces, Nirav Shah, principal deputy director of the US Centers for Disease Control and Prevention (CDC), told reporters. The fans also spread feathers and debris, which can carry the virus aloft, Shah said."