outstanding example of the devastation a new virus or bacterium can inflict on human lives and health, in this case a virus that damages or destroys the body's immune system.
(a new virus or bacterium; can inflict; on human lives and health) (in this case a virus; damages; ) (in this case a virus; destroys; the body's immune system)
a new virus or bacterium in this case a virus in this case a virus
can inflict damages destroys
on human lives and health
the body's immune system