

Often, infants who are infected don't develop signs - which may include hearing loss, mental disability or serious eye infections - until their teens or later. Only a small number of babies who have toxoplasmosis show signs of the disease at birth.

On the other hand, the earlier in your pregnancy the infection occurs, the more serious the outcome for your baby. Your baby is most at risk of contracting toxoplasmosis if you become infected in the third trimester and least at risk if you become infected during the first trimester. If you become infected for the first time just before or during your pregnancy, you can pass the infection to your baby (congenital toxoplasmosis), even if you don't have signs and symptoms yourself. Blurred vision caused by severe inflammation of your retina (ocular toxoplasmosis).Lung problems that may resemble tuberculosis or Pneumocystis jiroveci pneumonia, a common opportunistic infection that occurs in people with AIDS.In that case, you may develop more-severe signs and symptoms of infection, including:

If you have HIV/ AIDS, are receiving chemotherapy or have recently had an organ transplant, a previous toxoplasma infection may reactivate. Some people, however, develop signs and symptoms similar to those of the flu, including: Most healthy people who are infected with toxoplasmosis have no signs or symptoms and aren't aware that they're infected.
