america_whooping_cough_creeps_back_40_years_after_ 30 Oct 2004 started vaccinating children, and the culprit seems to be weakening effects of the shot... 1030 2004 041031 ... . "Whooping cough" Pertussis, also known as whooping cough, is caused by infection with the Bordetella pertussis bacteria. The infection is spread through the air by respiratory droplets from an infected person. The incubation period is usually 7 days. http://health.yahoo.com/health/ency/adam/001561/overview 041031 what's it to you? who go blather from