Why do we have to wear masks even after receiving the vaccine? What types of side effects are possible? How long can the acquired immunity last? These are some of the questions internal medicine specialist Dr. Vedka Begović answered in the new special edition of 60'' ABOUT CORONA. You can follow the series on the YouTube channel "60 Seconds About Corona" and on the Facebook page @BHAAAS and Instagram @bhaaas_usa_bih. The Government of Switzerland supports the series. The content of the publication, as well as the findings presented in it, do not necessarily reflect the views of the Government of Switzerland.