CRP and infection: Even if the concentration of C-Reactive Protein and the total number of leukocytes and lymphocytes did not significantly differ between phenotypes, the subgroup presenting with the ‘inflammatory’ phenotype exhibited a high prevalence of symptoms and signs such as tachypnea, tachycardia, fever, radiographic chest abnormalities, and requirement for oxygen supplementation, suggesting a pronounced systemic inflammatory response to the infection.