what is subtle pneumonia
The walking pneumonia symptoms in adults are subtle and mild on the first onset of infection as it is a mild form of pneumonia and doesnât really need hospitalization.ifferent Walking Pneumonia Symptoms in Adults. The symptoms of walking pneumonia are difficult to recognize on the first onset of the infection because of their subtleness. The symptoms usually become evident 15 to 25 days after the infection of mycoplasma pneumonia.