The ‍US ​Food ⁠and Drug ⁠Administration intends to put ‌a 'black ⁠box' warning on ⁠COVID-19 vaccines, ​CNN reported on ‍Friday, ​citing two people familiar with the agency's plans.

(Reporting by Sriparna ⁠Roy ‌in ‌Bengaluru; ⁠Editing by ⁠Arun Koyyur)