TICK-BORNE INFECTIOUS DISEASES WITH REFERENCE TO EGYPT.

Ticks are hematophagous ectoparasites of man, domestic and street animals, and birds of health and economic hazard worldwide. They transmit many micro-organisms and protozoan infectious diseases and their toxins cause different signs and symptoms that may be fatal according to the infesting tick saliva protein. In Egypt where there are many rural and urban areas, so many genera and species of ticks are encountered.