The incident was caused when smoke was pushed in the wrong direction because of negative pressure, according to Assistant City ... dangerous narcotics onsite," she wrote in a statement. "My team and ...

A '"negative pressure issue" during a drug burn sickened 14 employees at an animal shelter in Montana, officials said.

For diseases that travel through the air, like COVID-19, special hospital rooms are essential for controlling pathogens and making sure they stay contained to one patient’s room, rather than infecting ...