We’re housing those in Los Angeles.
The CDC in Atlanta supposedly has the only other stockpiles of smallpox outside of Russia. However, samples of the virus might be forgotten in freezers in any number of countries, and contaminated goods could be stored in your attic or your neighbors basement.
“Honey, have you seen the smallpox virus vial? It was right here on the counter when I was making the kid’s lunch for school. Now, where could it be?”