WILK's Nancy Kman and Jason Barsky ask Pa. Physician General Dr. Denise Johnson listener's questions regarding the COVID-19 vaccine. Dr. Johnson talks about the importance of vaccinating teens 12-15, along with common vaccine hesitancy issues like whether a person who had COVID needs a vaccine, if the vaccine is safe, what side effects can be expected and if the shot can affect your fertility. (Dr. Johnson photo from Gov. Tom Wolf's office)