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2005-06-30 17:43:35

By Maggie Fox, Health and Science Correspondent WASHINGTON (Reuters) - U.S. teens should get a booster shotof the whooping cough vaccine to protect them from waningimmunity and to battle a resurgence of the sometimes deadlydisease, vaccine advisers recommended on Thursday.


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2011-04-14 15:37:44

Bordetella pertussis is a Gram-negative, aerobic coccobacillus of the genus Bordetella. It is the causative agent of pertussis or whooping cough and it is non-motile. There is no zoonotic reservoir thus humans are the only hosts. Bacterium is spread by coughing and by nasal dripping after an incubation period of 7 to 14 days. Pertussis is an infection of the respiratory system and characterized by a "whooping" sound when the person breathes in. Before the vaccine was developed there were...

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Word of the Day
tourtiere
  • a meat pie that is usually eaten at Christmas in Quebec
The word 'tourtiere' comes from the French tourte, or passenger pigeon.
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