https://www.military.com/daily-news/2015/07/23/us-army-shipped-same-virulent-anthrax-strain-used-after-911-att.html
The DoD said Anthrax mistakenly shipped to labs around the world was from the same strain used after the Sept. 11, 2001 attacks.
us armyshippedvirulentanthraxstrain
https://pubmed.ncbi.nlm.nih.gov/14736069/
Outbreaks of highly virulent FCV disease are increasingly common. Strains causing such outbreaks have been genetically distinct from one another but caused...
feline calicivirusoutbreakvirulentsystemicdisease