"3–12 hours after high antigen exposure, acute sudden onset of fever, chills, headach, arthralgia, dyspnoea, non-productive cough, tight chest, fatigue and/or fine inspiratory crackles 4, which typically resolve spontaneously after the exposure ceases."
"Non-fibrotic hypersensitivity pneumonitis (HP) is an immune-mediated inflammatory response in the lung parenchyma and terminal bronchioles, which occurs in genetically susceptible individuals who have become sensitised to antigens. This can be acute, episodic or chronic but lacks fibrosis 4."
"3–12 hours after high antigen exposure, acute sudden onset of fever, chills, headach, arthralgia, dyspnoea, non-productive cough, tight chest, fatigue and/or fine inspiratory crackles 4, which typically resolve spontaneously after the exposure ceases."