Originally Posted by Weeping Willow
I know a CBC will pick up indicators for certain STD's that are caused by bacteria. I can't remember how it goes, but high segs and low lymphocytes or vice versa is an indicator of a bacterial infection.
A high white cell count MIGHT indicate there is some kind of underyling infection (or it might indicate leukemia...lotsa variables!). Infection could be viral or bacterial. Trouble is, there are all kinds of bacterial infections (and most aren't
STDs). A Sed Rate measures inflammation levels and is often used to determine whether arthritis is present.