News of the WeekInfectious Diseases

Sand Fly Saliva May Be Key to New Vaccine

Science  10 Aug 2001:
Vol. 293, Issue 5532, pp. 1028
DOI: 10.1126/science.293.5532.1028a

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The saliva of a fly may save human lives--if researchers can transform it into a vaccine. A new study shows that sand flies, minuscule insects that transmit a tropical disease called leishmaniasis, also secrete a protein in their saliva that protects against that disease, at least in mice. The team members believe a similar vaccine may one day protect humans.