Which writer of the middle ages was especially influenced by Virgil

It was Dante.

Explanation:

That can be seen from his most famous book Inferno, where Virgil is actually leading Dante through underworld. Of course, this is normal, because the writers of this period, including Dante, Petrarca and others were heavily influenced by Greek and Roman art. So, quite often they would include some of the characters from that period.

health care plans in the united states having high costs because they are focusing on providing quality programs for different groups of individuals. the quality of the service is based on money flow received from the members. without this investment, couldn't be possible a constant scientific searching to prevent death and illness caused because of low levels of health investigation. currently, the complaints are not about the highest cost, but about the coverage and benefits to access the necessary health services required by the members.  

besides, if a global health system is established the quality levels will fall down because of the standardized of the health. the access to care will increase but the quality will be low because it depends on the money invested.