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why does my cough linger after a cold why does my cough linger so long after a cold why does my cough linger for weeks after a cold why is my cough still lingering after a cold why is my cough lingering so long after a cold how to get rid of a lingering cough after a cold is it normal to have a cough after a cold can a cough linger after a cold how long should a cough last after a cold
