Hospital officials allege the nurses in question accessed Niyimbona's medical records without being part of her care team, potentially breaching the federal privacy law HIPAA.
A senior Iranian official said the scientists are no longer allowed to teach or live in their family homes and have instead been moved to the capital or northern coastal areas.
Iftikhar confessed to threatening to kill and racially harassing Walsh during the flight but denied any harassment charges related to his confrontation with Merchant.
The charges include narco-terrorism, conspiracy to import cocaine, illegal possession of machine guns and explosive devices, and conspiracy to possess such weapons.