Using Oral Fluid Samples to Monitor Malaria Immunity
Author Information
Author(s): Chidi Alexis P, Chishimba Sandra, Kobayashi Tamaki, Hamapumbu Harry, Mharakurwa Sungano, Thuma Philip E, Moss William J
Primary Institution: Johns Hopkins Bloomberg School of Public Health
Hypothesis
Can oral fluid samples effectively monitor serological changes to Plasmodium falciparum in populations?
Conclusion
Oral fluid is a valid alternative specimen for monitoring changes in antibodies to P. falciparum antigens.
Supporting Evidence
- The study showed a statistically significant correlation between oral fluid and dried blood spot samples.
- The oral fluid assay achieved 100% sensitivity and specificity in identifying malaria antibodies.
- Oral fluid collection is less invasive and poses less biohazard risk compared to blood sampling.
Takeaway
Scientists found that using saliva instead of blood to check for malaria antibodies is easier and just as accurate.
Methodology
An enzyme immunoassay was optimized to detect antibodies to P. falciparum antigens using both oral fluid and dried blood spot samples.
Limitations
Difficulty in assessing whether an adequate sample was collected.
Participant Demographics
Participants' ages ranged from 1 to 80 years, with 45% female and a median age of 13.5 years.
Statistical Information
P-Value
p<0.01
Statistical Significance
p<0.01
Digital Object Identifier (DOI)
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