COVID AND THE VACCINE - TRUTH, LIES, AND MISCONCEPTIONS REVEALED, page-68812

Let's not forget that the Chinese military has taken control of the lab in Wuhan where covid apparently was engineered.
Let's say a war between US and China does break out, China could easily launch another bio-weapon.
They've been using chemical warfare for years, supplying Fentanyl to rhe Mexican cartels that then floods into the US.
mRNA vaccines are very rapid to deploy as its akin to programming and then printing out the product. If a bioweapon is launched a rapidly deployed mRNA vaccine might be the only choice.