- Found US vials 'contain no smallpox virus' Corowa Free Press
- Philadelphia lab briefly locked down after worker finds ‘smallpox’ vials in freezer The Guardian
- Cleaner finds vials marked ‘smallpox’ in US lab The New Daily
- Vials Labeled ‘Smallpox' Found in Montco Lab: The Lineup NBC 10 Philadelphia
- FBI, CDC Investigating Vials Labeled 'Smallpox' ExtremeTech
- View Full coverage on Google News
