"The gas can't affect me through this."

The gas affects the crew and four members are evacuated to hospital by air.

The gas affects the lungs and the eyes causing respiration problems and blindness.

I put on a new mask but the gas had already affected my body.

The gas affects the Gelth, drawing them out of the bodies.

"What we've missed is how else the gas has been affecting the people."

A total of 36 wards were marked by the authorities as being "gas affected", affecting a population of 520,000.

The gas, which was responsible for all but one of the 117 deaths among the hostages, affected each person differently.

That explains why gas didn't affect the Sea Angel.

His claim was that the gas only affected the frequency, but not the pitch, despite them being the same thing.