The New Normal: What does the data show about safety and wearing masks?

News 12 Elizabeth Hashagen was joined this morning by Dr. Daniel Griffin to talk about COVID-19 vaccines for children.
Source control versus personal protection: What are the different reasons people wear masks? And what does the data show about safety and wearing masks?
Hybrid immunity, that is, natural immunity from an infection combined with the immunity provided by the vaccine, appears to result in stronger protection than just infection or vaccination alone. What does research show? How about the booster? And how does it affect antibodies?
The FDA said Friday that U.S. regulators are "working around the clock" to support the approvals of COVID-19 vaccines for kids under age 12. The Pfizer-BioNTech vaccine has been cleared for people as young as 12, while Moderna and J&J vaccines have been authorized for adults.
Many parents say they are anxious to get their children vaccinated, especially as schools reopen and the highly contagious delta variant continues to spread. Will there be enough time to get the approval by Halloween?