In November, the Centers for Disease Control and Prevention reported that exemptions for immunizations required in school is the highest ever recorded in U.S. history.
On May 2, 2011, President Barack Obama announced that the US Central Intelligence Agency (CIA) had located and killed Osama Bin Laden. The agency organised a fake hepatitis vaccination campaign in Abottabad, Pakistan, in a bid to obtain DNA from the children of Bin Laden, to confirm the presence of the family in a compound and sanction the rollout of a risky and extensive operation. Release of this information has had a disastrous effect on worldwide eradication of infectious diseases, especially polio.
Polio still circulates in Afghanistan and Pakistan
Would you like to know more?
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10038058/
Why not just vaccinate them for real if you were doing this.
You can still get the DNA and have an ulterior motive and also not 100% trash any credibility, you’d still trash it but nowhere near as bad.