Serologic evidence of Toxoplasma gondii infection among cancer patients. A prospective study from Qassim region, Saudi Arabia.

To determine the frequency of antibody seropositivity of Toxoplasma gondii  infection in a cancer patient population. We also explored on association of Toxoplasma gondii seropositivity with selected variables. Methods: This is a prospective cross-sectional study conducted at  Prince Faisal bin Bandar cancer center, Qassim, Saudi Arabia, from November 2014 to  March 2015.