Mumps is considered the fastest developed and approved vaccine ever produced, clocking in at 4 years. https://t.co/DqiE3GMbqh— Goooo Grizz!! (@dearest_darling) May 15, 2020
Mumps is considered the fastest developed and approved vaccine ever produced, clocking in at 4 years. https://t.co/DqiE3GMbqh