With about 17 million U.S. children now eligible to receive a coronavirus vaccine, many health experts are urging parents and guardians to immunize their children — especially since the highly transmissible delta variant is the dominant strain in the United States.

There were more than 170,000 pediatric coronavirus cases reported in the United States in the last week of September, according to recent data from the American Academy of Pediatrics. Although children account for a very small number of hospitalizations and deaths related to the virus, research shows the variant has led to an increase in pediatric cases, which is why some pediatricians are calling for vaccinations to protect the youngest Americans.

Since most families will have questions about vaccinating their children, we’ve tried to answer some of the most common.