After a promising start to the year, the White House has hit a wall on COVID-19 vaccinations and is looking for culprits to blame for why many remain hesitant to get their shots.

One early target was Facebook and other social media platforms, where information — and misinformation — spread quickly. “They’re killing people … look, the only pandemic we have is among the unvaccinated,” Biden told reporters as he departed the White House for a trip to Camp David. “And they’re killing people.”