This episode discusses nine MMWR reports. The first report looks at the effectiveness of mRNA COVID-19 vaccination among pregnant people against hospitalizations in infants younger than 6 months. The second report examines hospitalizations of children and teens with confirmed COVID-19. The next two reports look at changes in pediatric emergency department visits before and during the COVID-19 pandemic. The fifth report looks at safety monitoring of COVID-19 booster doses among adults. The sixth report examines waning effectiveness of two-dose and three-dose mRNA vaccines against emergency department and urgent care visits and hospitalizations during periods of Delta and Omicron predominance. The seventh report describes household spread of the Omicron variant. And the last two reports highlight the importance of following CDC's recommendations for wearing a well-fitting mask for 10 full days after showing symptoms or testing positive.