青少年的孩子接种COVID-19疫苗是否安全？
2. Is it safe for my adolescent or teen to get the COVID-19 vaccine? The Pfizer COVID-19 mRNA vaccine is approved for those 12 years of age and older. Other COVID-19 vaccines are still being tested in those younger than 18 years of age. When the Pfizer vaccine was tested in 12- to 18-year-olds, it was found to be safe: Those 16- to 18-years old were included in the trials presented to the FDA in December 2020. Since then, more than 2 million teens had received one dose of the vaccine, and more than 1 million had received both doses by May 12, 2021 – the date that the vaccine was approved for 12- to 15-year-olds. The clinical trial in 12- to 15-year-olds evaluated about 1,100 children who received the vaccine and compared them with about the same number who got placebo (a salt solution) as well as almost 2,000 16- to 25-year-olds who were vaccinated and about the same number in an age-matched placebo group. No vaccinated individuals got infected with COVID-19 o...