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Abstract

Birds are susceptible to fewer zoonotic agents than mammals, reflecting the evolutionary distance between birds and humans. Birds provide the greatest risk of pathogen excretion, mainly those with a compromised immune system, young birds and those caught recently in the wild. To investigate the most common important pathogenic microbes in house birds saliva like bacterial, viral and fungal pathogens that cause severe respiratory tract infections among persons with direct contact. In this cross-sectional study, 100 saliva samples include 50 were collected from house birds (cock, pigeon and parrot) with 50 saliva samples were collected from persons with direct contact suffered from mild to severe respiratory diseases, then all samples were identified for avian influenza and cultured on special culture media for further bacterial and fungal isolation.The primary detection results revealed that there are many severe pathogenic microbes detected in saliva of different house birds like 44% avian influenza that reflect respiratory problems in 30% of patients in direct contact , 32% Streptococcus pneumonia that affect 16% of patients , 24% Klebsiella pneumonia that affect 14% in direct contact patients and other bacterial and fungal pathogens showed moderate and highly resistance to antibiotics like cefotaxime , vancomycin , tetracycline & imipenem .We can conclude that patients suffered from mild to severe respiratory tract diseases like pneumonia and severe distress syndrome are more susceptible to house birds pathogens by contacts via saliva or other body secretions determined in this study as a true causative agents for many pathogenic microbes .

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