Review of Viruses and Bacteria

Kaposi’s sarcoma is found in someone who is HIV positive, it is a type of skin cancer. 

Cells that are under attack send out signals to your immune system.

White blood cells send out macrophages to destroy infected cells

Macrophages digest viruses and infected cells.  They  eventually die.

The phlegm and snot you experience when you are sick contains these dead white blood cells. 

Antibodies attach to the virus or to infected cells

They “tag” the cell for destruction.