A. Salk vaccine
B. Tetanus toxoid
C. Sabin’s oral vaccine
D. All of the above
Correct Answer: Salk vaccine ✔
Last Updated: February 07, 2020
A. Salk vaccine
B. Tetanus toxoid
C. Sabin’s oral vaccine
D. All of the above
Correct Answer: Salk vaccine ✔
Last Updated: February 07, 2020