Answer:
the TDaP vaccine and the MMR vaccine
Explanation:
2 vaccines that help prevent 3 diseases at the same time. the TDaP is a vaccine to prevent Diptheria, Tetanus, and Pertussis. the MMR vaccine is another vaccine that prevents Measles, Mumps, and Rubella all at once as well. i hope this helps :D
P.S. also i will put a screenshot here for you so you can use it for future reference :D
