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New technique cuts risks of gene therapy

Stanford researchers have developed a technique that could cut the risks associated with gene therapy. Traditionally, gene therapy involves sneaking a snippet of genes into a person’s DNA via a virus messenger. But the result is the new sequence gets randomly placed within the patient’s existing genes, sometimes triggering other illnesses, such as leukemia. The new technique eliminates the need for a virus delivery system and places the genes in precise locations.

Researchers to test smallpox vaccine

Researchers in Northern California are conducting a clinical trial that will test whether diluted doses of the smallpox vaccine produce adequate immunity in adults who have previously been vaccinated. The results of the federally funded study, for which volunteers are now being sought, will help shape U.S. policy on how the vaccine would be given in the event of a smallpox outbreak.

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