Infections can cause distinctive histological changes, depending on the pathogen involved: - Bacterial Infections: Presence of neutrophils and abscess formation. - Viral Infections: Cytopathic effects such as inclusion bodies and syncytia formation. - Fungal Infections: Granulomatous inflammation and presence of fungal elements within tissues. - Parasitic Infections: Eosinophilic infiltration and identification of parasites in tissue sections.