Answer:
Live attenuated vaccine.
Explanation:
Live virus vaccines use the attenuated or weakened form of the virus. The virus is attenuated by the heat shock or by the use of specific chemicals that decreases its pathogenicity.
Rubella, or 3-day measles is caused by toga virus. The immunization of this virus is important to prevent the transmission of the virus in the fetus. The rubella vaccine is live attenuated vaccine because the attenuated form of virus is used in this vaccine.
Thus, the answer is live attenuated vaccine.
Answer:
The brain produces fewer endorphins with the continued misuse of opioids.
