Answer the following question given this paragraph: 

Bacteria and viruses can infect the brain or spinal cord. An infection of the brain is called encephalitis. An infection of the membranes that cover the brain and spinal cord is called meningitis. A vaccine is available to prevent meningitis caused by viruses (see Figure below ).


Q: An infection of the brain is called?

 Choices:

- tuberculosis

- influenza

- syphilis

- encephalitis

A:
encephalitis
