Fig. 2From: Genetic diversity and seroprevalence of Toxoplasma gondii in COVID‑19 patients; a first case-control study in IranSingle round-PCR assay targeting T. gondii GRA6 (A: Toxo1-Toxo4: 791 bp) and nested-PCR assay targeting T. gondii B1 (B: Toxo1-Toxo5: 194 bp). M; Ladder marker (size marker: 100 bp), P.C; positive control, N.C; negative controlBack to article page