TABLE 1.

Strain characteristics

Strain	Type	Origin	Sample	Type of infection	Drug exposure before isolationa
RH	I	Human	Brain and neural tissues	Encephalitis	No
B1	I	Bovine	Aborted fetus		No
ENT	I	Human	Placenta	Congenital toxoplasmosis; no clinical symptoms	No
RMS-1995-ABE	II	Human	Placenta	Congenital toxoplasmosis; chorioretinitis	Prenatal treatment, spiramycin for 2 wk, PYR + SDX for 12 wk
ME49	II	Ovine	Placenta	Ovine toxoplasmosis	No
TRS-2004-REV	II	Human	Brain	Congenital toxoplasmosis; brain calcifications	Prenatal treatment, spiramycin for 5 wk, PYR + SDZ for 2 wk
TOU-1998-TRI	II	Human	Placenta	Congenital toxoplasmosis; chorioretinitis	Prenatal treatment, spiramycin 6 wk, PYR + SDX 14 wk.
RMS-2005-HAG	II	Human	Placenta	Congenital toxoplasmosis; chorioretinitis; hydrocephaly, brain calcifications	Prenatal treatment, spiramycin for 27 wk
GRE-1995-MAE	II	Human	Brain	Congenital toxoplasmosis; hydrocephaly; disseminated toxoplasmosis	Prenatal treatment, spiramycin for 16 wk
PSP-2005-MUP	III	Human	Brain	Encephalitis; HIV positive	No
GRE-1998-TRA	III	Human	Placenta	Congenital toxoplasmosis; no clinical symptoms	Prenatal treatment, spiramycin for 2 wk
RMS-2003-TOU	III	Human	Placenta	Congenital toxoplasmosis; no clinical symptoms	Prenatal treatment, spiramycin for 19 wk
NED	III	Human	Placenta	Congenital toxoplasmosis; no clinical symptoms	No
RMS-1994-LEF	I/III	Human	Cerebrospinal fluid	Congenital toxoplasmosis; chorioretinitis	Prenatal treatment, spiramycin for 6 wk, PYR + SDX for 5 wk
RMS-2003-DJO	I/III	Human	Brain	Encephalitis; HIV positive	No
RMS-2001-MAU	Atypical	Human	Placenta	Congenital toxoplasmosis; chorioretinitis	Prenatal treatment, spiramycin for 6 wk
GUY-2003-MEL	Atypical	Human	Blood	Toxoplasmosis acquired in French Guyana	No

^aPYR, pyrimethamine; SDX, sulfadoxine.