Hepatitis is caused by ______.

Virus

The correct answer is Option (3) - Virus

Hepatitis is primarily caused by viruses. There are different types of hepatitis viruses, including hepatitis A, B, C, D, and E. Each type is caused by a specific virus, and they can lead to inflammation of the liver.

Hepatitis A and E: Typically spread through contaminated food and water.

Hepatitis B, C, and D: Mainly transmitted through contact with infected blood, unprotected sex, or from an infected mother to her baby during childbirth.