Because vaccines have healthy viruses that try to get your body to be immune to the diseases so when you are already sick your body won't respond to the vaccine because it's just more viruses
I’m pretty sure it would be B but it could also be D
Answer:
True
Explanation:
This is true, however, the expansion of the number and types of health services is not limited to these factors only.
Population trends inform the preparation of health intervention procedures and delivery of said interventions. Advances in research methods may also impact health services. Diseases and illness impacts health services expecially during outbreaks.
