Hepatitis A is caused by . bacteria virus parasite fungi

Virus

Explanation:

Hepatitis A is caused by a virus.

This is infection is a viral infection. It affects the liver and attacks it cells.

Hepatitis A often leads to the inflammation of the liver and affects the normal way it functions.

This virus is transmitted when one comes in contact with fecal matter usually by accident.

The immune system of the body naturally can fight this viral infection and it gets better as the months rolls by.

Eating uncooked and contaminated food containing the virus is one of the surest ways of contacting it.

white blood cells or wbc s are mainly 2 types-

1.agranulocytes

2.granulocytes

the monocytes or macrophages of agranulocytes , dendritic cells which are accessory leucocytes, and b cells which is one type of lymphocytes   identify the antigens present on the pathogen's surface. these three cells are called antigen presenting cells(apc) which are phagocytes and destroy the antigens by secreting antitoxins. besides this leukocyte is always plays vital role in the immunity of the body.