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A member asked:

How long is pneumonia contagious?

A doctor has provided 1 answer
Dr. Michael Ein answered

Specializes in Infectious Disease

Depends: Most pathogens that cause pneumonia are not contagious. Some organisms like MRSA can spread to healthy contacts and cause colonization. Some organisms like the virus, influenza can cause pneumonia and are contagious during the illness. Drug sensitive tuberculosis is contagious until several weeks into effective multi-drug therapy.

Answered 6/10/2014

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