Name the target organ of Japanese encephalitis and AIDS virus respectively.

Japanese encephalitis:

1. Japanese encephalitis is a viral infection caused by a mosquito bite.
2. It is also referred to as Brain fever, as the target organ is the brain.

AIDS:

1. Acquired immunodeficiency syndrome is a fatal disorder of the body that is induced by HIV (human immunodeficiency virus).
2. It mainly targets the lymph nodes of the body.