The Left is entirely to blame for slow vaccine uptake. By using vaccines and masks as a political weapon and shouting down any discussion of obvious suspect statistics, you guaranteed people would be skeptical.
China has made it clear that there WILL be war over Taiwan as soon as they think they are strong enough to win. Seems obvious to try to avoid reaching that point.
Even if it is buried, it will be dug up by robots for use by humans or our ai successors in hundreds of years. Worrying about 100,000 years is beyond dumb.