CENNY ARTYKUŁ pod linkiem: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8437699/

https://about.kaiserpermanente.org/our-story/news/announcements/covid-19-vaccine-trials-for-children-are-underway

https://www.sfgate.com/coronavirus/article/when-kids-ages-5-11-COVID-vaccine-questions-16524520.php