What is the second link in the chain of transmission?
a-infectious agent
b-portal of entry
c-portal of exit
d-reservoirs
e-nextreset

What is a common risk associated with alcohol?

The results of the dexa measurements are known as?

Which of the following supports the argument that viruses are nonliving? a) they are not cellular.b) their dna does not encode proteins.c) they have rna rather than dna.d) they do not evolve.