The likelihood of becoming infected is the same in people with Rh‑positive and Rh‑negative blood type. The difference is that Rh‑negative individuals are much more susceptible to the effects of toxoplasmosis. To give an example, their reaction time increases almost immediately after infection and the difference is much bigger than in people that are Rh‑positive. That also means that Rh‑negative individuals are more likely to have an accident after becoming infected.