Differential diagnostic differencies have been analyzed for faucial di
phtheria (41 patients), infectious mononucleosis (219 patients), folli
cular and lacunar tonsillitis (71, patients), Vincent tonsillitis (22
patients). Besides specific clinical manifestations, of special import
ance in distinguishing the above diseases was a profound analysis of h
emogram with calculations of special parameters and variants of ESR/le
ukocyte count ratio.