Several passengers aboard an airliner suddenly become weak and suffer breathing difficulty. The diagnosis is likely to be:
A. outbreak of Asian flu.
B. Chemical exposure.
C. bacterial pneumonia.
D. allergic reaction.
Several passengers aboard an airliner suddenly become weak and suffer breathing difficulty. The diagnosis is likely to be:
A. outbreak of Asian flu.
B. Chemical exposure.
C. bacterial pneumonia.
D. allergic reaction.