As of 2021, there are several COVID-19 vaccines that have been authorized for use in adults. However, the approval process for vaccines in children is typically more involved, as it requires studying the vaccine in a larger and younger population to ensure its safety and effectiveness.
Currently, there are several COVID-19 vaccine candidates that are being studied in children and adolescents. For example, Pfizer-BioNTech's COVID-19 vaccine has been authorized for use in individuals 16 years of age and older, and the company is conducting clinical trials to study the vaccine in children as young as 6 months. Similarly, Moderna is also conducting clinical trials to study the safety and effectiveness of its vaccine in children and adolescents.
It is important to note that the approval process for vaccines can take time, and it is not uncommon for it to take several months or even years for a vaccine to be authorized for use in a new age group. It is also important to follow the guidance of public health authorities and to get vaccinated when a vaccine becomes available to you.