Fortunately, PrettyPark seems contained inside France because its mechanism for e-mail-based self-perpetuation isn't very good, Schrader said.

CNN: New 'Trojan Horse' strain may go mainstream

Their fundamental tendency is toward self-perpetuation.

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Domestic abuse is a major driver of the break up of families, the loss of self-sufficiency of victims, the perpetuation of poverty, intergenerational trauma and the rising public costs of housing, health care and legal services.

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