Table 1.

Cases for which virus isolation (VI) was attempted.

Case ID	Location	Tissue Type	WEEV RT-qPCR Ct Value	VI	Titer (TCID50/mL)
E.5191.23	Corrientes	Cerebral cortex	29	Positive *	106.66
		Cerebellum	33	Negative	NA
		Pons	28	Positive	107
E.5193.23	Buenos Aires	Cerebral cortex	36.5	Negative	NA
E.5239.23	Buenos Aires	Cerebral cortex	26.5	Positive	106.33
E.5286.23	Mendoza	Cerebral cortex	29.6	Positive	107
E.5288.23	Entre Rios	Cerebral cortex	28.7	Positive	107

* Positive on the third blind passage; Ct, cycle threshold; VI, virus isolation; NA, not applicable.