(2021) found no relevant alterations for hematological and biochemical parameters between Pv Sym and Pv Asym vs control individuals from Brazil, except for signs of lymphopenia and thrombocytopenia along with high levels of Protein Reactive C, as well as lower levels of cholesterol in Pv Sym individuals (Almeida et al., 2021). The gene discussed is CRP; the disease is lymphopenia.