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Human adenoviruses (HAdVs) are known to be highly contagious pathogens. They are commonly associated with mild respiratory infections in young children but can also cause severe life-threatening infections. Human adenovirus types 4 and 7 have frequently been reported to cause pneumonia in immunocompetent youths and adults.

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Introduction: Diffuse pulmonary ossification (DPO) refers to the unusual formation of mature bone tissue within the lung parenchyma. It has been shown to be associated with a number of cardiac and chronic lung diseases. The relation between DPO and idiopathic pulmonary fibrosis (IPF) has been shown in the literature.

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Introduction: The recent emergence of PRRSV strains NADC30 and NADC34, along with their recombination with HP-PRRSV-like strains, has added complexity to PRRS control strategies on swine farms. Given the high variability and recombination potential of PRRSV, continuous monitoring of the virus's clinical epidemiology is essential for effective prevention and control.

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