Here are a few options for a formal title, depending on the desired emphasis:

• RFK Jr. Expresses Frustration During CNN Confrontation Regarding Vaccination Claims
• RFK Jr. Reacts Visibly to Challenges Concerning Vaccination Misinformation on CNN
• Tensions Rise as RFK Jr. Is Questioned on CNN Regarding Vaccination Narratives

Recommendation: The first option is the most balanced and professional.

Here is a formal rewrite of the title:

Morocco Attributes Recent Migrant Surge in Ceuta to Social Media Misinformation and Human Trafficking Networks