Attenuated viruses are those that _____.
a. can be used to treat viral disease.
b. give rise to viroids and prions.
c. multiply in cells but at a low rate.
d. have been treated with chemicals such as formaldehyde.
a. can be used to treat viral disease.
b. give rise to viroids and prions.
c. multiply in cells but at a low rate.
d. have been treated with chemicals such as formaldehyde.