Answer: All of these choices are correct.
Step-by-step explanation:
The Cytomegalovirus is one of the most common viruses there is that affects humans. Humans of all ages can carry it but because the immune system is capable of fighting it, it is usually in its latent form which is the way that it is usually spread.
When the immune system has been weakened, the virus can cause conditions such as liver problems. It is spread through bodily fluids such as saliva, respiratory mucus, milk, urine, semen, and cervical secretions.