Which of these technological advances has improved flu vaccines?

a. sonograms
b. blood typing
c. antiviral drugs
d. virus strains multiplied in cell cultures

Viral infections in plants ) can be controlled with antibioticsb) can spread within a plant via plasmodesmata c) have little effect on plant growthd) are not spread by animals

How can communities assist in overcoming barriers to fitness? check all that apply.

Which of the following is a true statement? a. standards of care never change. b. conflicts of interest are always illegal. c. you can trust all medical advice found online. d. patients are allowed to refuse recommended care.