In a new move to pursue his aggressive antivaccine agenda, Health and Human Services Secretary Robert F. Kennedy Jr. . is cutting almost $500 million in grants and contracts for developing mRNA vaccines.These are vaccines that are widely considered safe and effective. But Kennedy, a known vaccine skeptic, made the announcement this week, saying otherwise. Most of these shots are for flu or COVID.But as the pandemic showed us, mRNA vaccines don't perform well against viruses that infect the upper respiratory ...