Acute pneumonias in those working with chemical substances that irritate the respiratory tract

: A study was performed of acute pneumonia (AP) morbidity among the workers exposed to respiratory irritation inducing chemical substances, which revealed a marked AP prevalence in these professional groups. A qualitative analysis of the AP cases severity helped to establish some peculiarities of the disease course in workers exposed to minor concentrations of the chemical substances, which should be taken into account in diagnosis, prognosis, treatment and out-patient observation.