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842 Microbiology

A 60-year old man is diagnosed to be suffering from Legionnaires’ disease after the returns home from attending a convention. He could have acquired it –

AFrom a person suffering from the infection while travelling in the aeroplane
BFrom a chronic carrier in the convention center
CFrom inhalation of the aerosol in the air conditioned room at convention center (Correct Answer)
DBy sharing an infected towel with a fellow delegate at the convention