If the five eyes intelligence services aren't monitoring all biodefense researchers and bio chemists around the world all of the time they've probably failed in their jobs.
It will only get worse as sovereign debt service takes a larger piece of the budget pie.
You think they can successfully track the smartest and most individually dangerous citizens, who have been previously vetted, and work inside the system already?
Those three "can't even monitor" situations can be traced to blocs with both (A) a financial profit if they succeed and (B) some non-clandestine political clout to sabotage/discontinue things.
You're right about the countermeasures, but I can't help but look at 1971 (473 confirmed cases, then almost 100,000 the next year).
Basically shocking levels of incompetence; start an unpopular war, lowest approval ratings of any president ever, pardon J6 traitors, $6/gallon diesel levels of incompetence.