Contact of dust from the pigeon attic can result in heterogeneity of illnesses like asthma, ornithosis, and lung swelling from huffing nuisance clouds of dust. Allergenic proteins are present in bird droppings and feather blooms. Cryptococcus neoformans is a fungus typically found in pigeon droppings and also in dust in numerous parts of the world. Mycobacterium avium complex (MAC), the contributory mediator of avian tuberculosis which is found universally in soil and droppings of diseased birds. Individuals infected with MAC may develop lymphadenitis & pulmonary sickness resembling to tuberculosis or further severe dispersed illness. Transmission of MAC takes place principally through aerosolization and breathing of the agent in dried out bird droppings and polluted soil.