Final answer:
The most common cause of viral meningitis in infants is enteroviruses.
Step-by-step explanation:
The most common cause of viral meningitis in infants is enteroviruses. Enteroviruses can cause a variety of illnesses, including respiratory and gastrointestinal infections, as well as meningitis. These viruses are usually spread through close contact with an infected person or by contact with contaminated surfaces or objects.