BACKGROUND Pigs are the natural hosts of many zoonotic pathogens such as influenza viruses and Staphylococcus aureus and thus have advantages over non-natural hosts when studying these zoonotic diseases. In addition, pulmonary infections are a key issue in the pig industry, for example: porcine reproductive and respiratory syndrome virus infection. Exploration of the pathogenesis of swine pulmo...

COVID-19 disease is associated with a significant number of opportunistic infections, including invasive fungal infections such as mucormycosis. The prevalence the latter rare, estimated to be between 0.005 and 1.7 per million inhabitants. Risk factors include hematological diseases, Diabetes Mellitus poor metabolic control, solid organ transplantation, neutropenia, prolonged administration sys...

Aspergillus ochraceus is a rare pulmonary pathogen. A 39 year old male with COPD and chronic granulomatous disease presented with severe breathlessness and recurrent infections. CT scan demonstrated multiple pulmonary nodules diagnosed as chronic pulmonary aspergillosis. The patient's sputum grew Aspergillus ochraceus thrice over 6 months, alongside positive Aspergillus IgG and serum galactoman...

1. To list the common types of pulmonary problems that occur in HIV-infected patients. 2. To know the relationship of the CD4 count to the occurrence of pulmonary infections. 3. To discuss the clinical presentation of the infectious and noninfectious pulmonary complications seen in HIV-infected patients. 4. To discuss strategies used to prevent infection in the HIV-infected population. 5. To un...