Answer:
It helps doctors and scientists better understand the vaccine and it's effects on people, and it'll improve future variations of the vaccine.
Explanation:
We'll likely have to get more vaccines for the virus in the following years, so learning about the side effects it has on people and how likely it is for those to occur helps health officials adapt the vaccine to make it less likely for people to experience symptoms.
I think the answer is is C
Transmission of infectious agents within a healthcare setting requires three basic elements which are collectively called chain of infection; they are: infectious element, susceptible host and method of transmission for the agent. The chain of infection is the sequence of events which allow infection to be transmitted in an hospital setting. The chain of infection will continue indefinitely unless the chain is broken by infection control measures.
I don't think you mean above the medula oblongata, i think you mean something else because the connection between the two hemispheres is connected by the Corpus Callosum which is above of the thalamus.
The only answer that i can make sense of what you've wrote is A Cerebellum but i don't think you are correct forming your question. Where did you find the question