A marked lymphocyte leukocytosis occurs in pertussis, and is of value in diagnosis. A Manual of Clinical Diagnosis James Campbell Todd. A marked increase, accompanied by an increase in the total leukocyte count, is seen in pertussis and lymphatic leukemia. A Manual of Clinical Diagnosis James Campbell Todd. As the air rushes past the glottis, which is still partially closed, a sound recalling the whoop of pertussis is heard.
Area code 860 is an area code that covers Eastern and Northern Connecticut. Area code 860 overlays the area code of 959.rea code 860 is an area code that covers Eastern and Northern Connecticut. Area code 860 overlays the area code of 959.
In North America (USA, Canada, etc.), area code 866 is used for toll-free calls.It is a non-geographic code, meaning the person on the other end of the call could be located anywhere in the world.orth American area code +1 509 is eastern Washington State,  including Spokane and Yakima, among others.    The 509 area code is the telephone area code for most of e â¦ astern  Washington state. It covers approximately two thirds of the state  (by land area), and the boundary follows the Cascades.