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 +1 512 serves Austin, Texas, and  surrounding areas, including San Marcos, Round Rock, Pflugerville,  and Lampasas.    Area code +1 737 was a â¦ dded as an overlay on area code +1 512 in  July 2013, serving the exact same geographic area.