Objective To observe the effect of hypericin on subsets of CD4+and CD8+T lymphocytes in the spleens of mice with an acute Toxoplasma gondii infection. Methods Forty female Kunming mice were randomly divided into 4groups of 10 mice each:a control group(group A),agroup infected with T.gondii(group B),a control group given hypericin(group C),and an infected group treated with hypericin(D group).Mice in groups B and D were intraperitoneally infected with 1×103 tachyzoites of the RH strain of T.gondii to establi...