biological warfare

To this question, James Mattis once famously answered, "Nothing. I keep other people awake at night." But not everybody is as courageously confident as this General. So what are the top health and safety concerns on the minds of security officials? Let's take a look.
Researchers at Harvard's Belfer Center scoured the globe for whatever was publicly available on North Korea's biological weapons program. Referencing news articles, journal papers, expert interviews and government reports, the team assembled a comprehensive study of the knowns and unknowns. Here are the main findings.
Tularemia is caused by the bacterium Francisella tularensis. Because it naturally infects rabbits and rodents, there isn't much we can do to eradicate it. Roughly 125 Americans are diagnosed with tularemia annually.
Did the North Korean regime hire former Soviet scientists to build a biological weapons program? Given what we know about both countries, the possibility cannot be ruled out.