Briana D Pertussis Pertussis is also known as whopping cough Lower Respiratory Tract infection Etiology Caused by bacterium Bordetella pertussis Gram cocci bacterium Encapsulated immotile aerobe that do not make spores ID: 702251
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Slide1
Pertussis
Brandy B.
Alyssa C.
Briana D. Slide2
Pertussis
Pertussis is also known as whopping cough
Lower Respiratory Tract infection Slide3
Etiology
Caused by bacterium Bordetella pertussis
Gram (-) cocci bacterium
Encapsulated immotile aerobe that do not make spores
It produces a pertussis toxin, adenylate cyclase toxin,
filamsntous hemagglutinin and hemolysinSlide4
Epidemiology
Infants and children, especially babies less
than 1 year of age
In the U.S. during 2012, 48,277 cases of
pertussis were reportedSlide5
Mode of Transmission
Direct contact or inhalation of airborne droplets
Incubation period: 7-10 days witha a range of 4-21 days Slide6
Clinical Manifestation/Symptoms
Stage 1 (catarrahl stage) lasts 1-2 weeks consist
of sneezing, low fever, and cough.
Stage 2 (paroxysmal stage) lasts 1-6 weeks
consist of episodes of paroxysmal cough with
characteristic whopping sound
Final stage (convalescent stage) Symptoms gradually decrease although coughing may last for
several months
Diagnosis can be difficult because whooping
cough shares many symptoms with the flu, cold
and bronchitis. Slide7
Diagnostic tests
Physical examination
Laboratory test which involves taking a
sample of secretions (with swab) from
back of the throat through the nose
Blood Tests
Chest X-raySlide8
Treatment
Antibiotics
Treatment after 3 weeks is unlikely to
help because the bacteria leaves the
body but the symptoms remainSlide9
Prevention
Pertussis Vaccine
Infants, children, teens, and adults.
Children should get the DTaP vaccine which protects
gainst pertussis, diphtheria, and tetanus
Teens and adults should get the Tdap vaccine
Adults should get the Td booster every ten yearsSlide10
Sources
Bordetella pertussis. (n.d.). Retrieved May 7, 2014, from Microbe Wiki website:
http://microbewiki.kenyon.edu/index.php/Bordetella_pertussis
Pertussis (Whooping Cough). (2013, August 28). Retrieved May 6, 2014, from CDC
website: http://www.cdc.gov/pertussis/index.html
Whooping Cough. (2013, March 19). Retrieved May 6, 2014, from Mayo Clinic
website: http://www.mayoclinic.org/diseases-conditions/whooping-cough/
basics/tests-diagnosis/con-20023295