CDC investigates dozens of reports of heart inflammation in teenagers and young adults that occur four days after their second dose of Moderns of Pfizer vaccines

 https://www.dailymail.co.uk/news/article-9608675/CDC-investigating-heart-problems-teenagers-young-adults-Moderna-Pfizer-vaccine.html

Don’t say the drug is safe unless you have 100% proof that it is safe. Time will tell all.