I remember seeing absolutely healthy dogs getting kennel cough vaccine and coming back a few days later with actual symptoms of the disease. (peterdobias.com)
For example, in humans we know that while actual symptoms of asthma occur in episodes, the airways of the lung are diseased all the time. (marvistavet.com)
Whatever actual symptoms and ailments the patients suffered from, a narrative of Hysteria was created through study and photography to define them. (pierogi2000.com)