It's not a lie. It's well-documented, and happens outside of the bubble in which Cuba can keep its slavery quiet. "Host" nations agree to pay Cuba for the doct

It's not a lie. It's well-documented, and happens outside of the bubble in which Cuba can keep its slavery quiet. "Host" nations agree to pay Cuba for the doctor's work, agree not to pay the doctor directly, and agree to deport them back to Cuba if they attempt to negotiate being paid directly. This is slavery by anyone's definition.