112-year-old woman and her 92-year-old son get COVID-19 vaccine in Waverly

WAVERLY, Iowa (KWWL) -- The UnityPoint Clinic in Waverly welcomed two special patients.
112-year-old Esther Wittenburg and her 92-year-old son Virgil Bock were together to receive their doses of the COVID-19 vaccine.
The duo resides in Readlyn.
Wittenburg said her secret to a long life? Real potatoes and gravy!