[Prenatal toxoplasmosis: diagnosis and prevention].

Sera of six children, clinically suspected of having congenital toxoplasmosis, and of their mothers were examined for specific antibodies. In four, prenatal infection was established shortly after birth by significant titre differences between the neonatal and maternal sera. In three neonates, toxoplasma-specific IgM antibodies were demonstrated.

[Prevention and diagnosis of congenital syphilis from an immunological viewpoint].

Frequency of syphilitic infection among 5772 pregnant women in the Düsseldorf area was 0.4%. Of 91 mothers with a positive Treponema pallidum haemagglutination (TPHA) test, 23 required treatment.