| 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 |
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"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 |