What are the benefits of being vaccinated against certain diseases?

Explanation:

Immunization is effective by triggering the immune system to fight against certain diseases. When a person is vaccinated and comes in contact with the disease, their immune system will fight again the disease more effectively. This will in turn prevent the disease from developing or reduces the severity.

economic impact of malaria is estimated to cost africa $12 billion every year. this figure factors in costs of health care, absenteeism, days lost in education, decreased productivity due to brain damage from cerebral malaria, and loss of investment and tourism.

c) 50% there are four chromosomes. after crossing over, 2 of the four have been changed. that means any gamete has a 2 in 4 chance or 50% chance of receiving the mutated chromosome.