1. Centers for Disease Control and Prevention. Update: Ebolarelated filovirus infection in nonhuman primates and interim guidelines for handling nonhuman primates during transit and quarantine. MMWR 1990;39:22–4, 29–30.
2. Centers for Disease Control and Prevention. Requirement for a special permit to import cynomolgus, African green, or Rhesus monkeys into the United States: notice. Federal Register 1990;55:15210–15211.
3. The virion glycoproteins of Ebola viruses are encoded in two reading frames and are expressed through transcriptional editing.
4. Preliminary report: isolation of Ebola virus from monkeys imported to USA
5. Centers for Disease Control and Prevention. Update: filovirus infection in animal handlers. MMWR 1990;39:221.