VPH-0035
QUESTION
Donora (Pennsylvania) is associated with?
OPTIONS
(A) More than 40% population is ill because of intense fog
(B) Blanket of thick fog for about 5 days
(C) Oxides of Sulphur and soot
(D) Repeated bout of air pollution disaster causing smog disasters
ANSWER
(B) Blanket of thick fog for about 5 days
EXPLANATION
The Donora air-pollution episode in Pennsylvania was marked by a dense fog/smog episode lasting about five days. The other statements are either overly broad or do not give the specific association asked for.
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Veterinary Public Health and Epidemiology · 121 Questions
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