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What Is The Result Of Dfa Nasopharyngeal Swab In Pertussis
Rapid screening test: Dfa--direct fluorescent antibody test--a rapid diagnostic test done in the lab that takes 1-2 days to screen for pertussis (whooping cough). While much faster than a culture, this test is not as reliable. A nasal swab is inserted gently into the nostrils toward the throat (posterior nasopharynx). Then fluorescently labeled antibodies are exposed to the sample looking for pertussis antigens/markers. ...Read moreSee 1 more doctor answer
Pertussis was foun: It means that they found evidence that the bacteria that causes whooping cough was present in the nasal passages. This could mean you are a carrier of the disease (could infect others) or if you are having symptoms or repeated, serious cough, then you likely got infected by the pertussis bacteria and have whooping cough. ...Read moreSee 1 more doctor answer
How long does it take for a pertussis test swab to come back? Is a sore throat common with a 5 year old?
Preliminary 24-48hrs: Preliminary result will be available but final result will take Final may take 5to7 days ...Read more
1-3 weeks: Actually 5-21 days.Get a more detailed answer ›
Pertussis vs URI: Although the initial symptoms of a common cold and pertussis are very similar, their causes are not. Pertussis is caused by a bacterial infection, has three distinct stages, is dangerous in young children, lasts up to weeks and can be prevented with vaccination. Common colds are viral in nature, usually not dangerous, do not respond to antibiotics, and resolve on their own in a few days. ...Read more
Whooping cough: Just listening to a child's cough may differentiate pertussis (whooping cough) from bronchitis. Children often get infected by adults and tend to "whoop" more than them. More commonly, they are indistinguishable especially in adults. The whoop is produced by air hunger between prolonged fits of coughing. A PCR test can be performed to diagnose pertussis. ...Read moreSee 1 more doctor answer
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