Farmer's lung historical perspective

Farmer’s lung disease is a hypersensitivity reaction to organic antigens inhaled from moldy hay. It was the first hypersensitivity pneumonia described. It is the most prevalent and best studied hypersensitivity pneumonia today. If unrecognized, it can cause severe disability and death.

Farmer’s lung was discovered as early as 1713.

• The effect of the Aspergillus and Actinomyces antigens in farmers was described in 1713.

• In 1932, in britain, Campbell described about disorder of the lung caused by inhalation of dust from mold hay.
• In 1964, Ramazzini and Wright described workers getting disease of the chest.^[1]