Paul A. Offit Quotes: If you've had a cough that lasted weeks, a cough that just doesn't seem to go away, chances are it ...

If you've had a cough that lasted weeks, a cough that just doesn't seem to go away, chances are it was pertussis. (Paul A. Offit)

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Paul A. Offit Quotes: If you've had a cough that lasted weeks, a cough that just doesn't seem to go away, chances are it was pertussis.

Paul A. Offit Quotes: If you've had a cough that lasted weeks, a cough that just doesn't seem to go away, chances are it was pertussis.

Paul A. Offit Quotes: If you've had a cough that lasted weeks, a cough that just doesn't seem to go away, chances are it was pertussis.

Paul A. Offit Quotes: If you've had a cough that lasted weeks, a cough that just doesn't seem to go away, chances are it was pertussis.

Paul A. Offit Quotes: If you've had a cough that lasted weeks, a cough that just doesn't seem to go away, chances are it was pertussis.

Paul A. Offit Quotes: If you've had a cough that lasted weeks, a cough that just doesn't seem to go away, chances are it was pertussis.

Paul A. Offit Quotes: If you've had a cough that lasted weeks, a cough that just doesn't seem to go away, chances are it was pertussis.

Paul A. Offit Quotes: If you've had a cough that lasted weeks, a cough that just doesn't seem to go away, chances are it was pertussis.

Paul A. Offit Quotes: If you've had a cough that lasted weeks, a cough that just doesn't seem to go away, chances are it was pertussis.

Paul A. Offit Quotes: If you've had a cough that lasted weeks, a cough that just doesn't seem to go away, chances are it was pertussis.

Paul A. Offit Quotes: If you've had a cough that lasted weeks, a cough that just doesn't seem to go away, chances are it was pertussis.

Paul A. Offit Quotes: If you've had a cough that lasted weeks, a cough that just doesn't seem to go away, chances are it was pertussis.

Paul A. Offit Quotes: If you've had a cough that lasted weeks, a cough that just doesn't seem to go away, chances are it was pertussis.

Paul A. Offit Quotes: If you've had a cough that lasted weeks, a cough that just doesn't seem to go away, chances are it was pertussis.

Paul A. Offit Quotes: If you've had a cough that lasted weeks, a cough that just doesn't seem to go away, chances are it was pertussis.