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Ebola vaccine trials set to begin in Rockville
Ebola vaccine trials set to begin in Rockville

Another Ebola vaccine trial is set to begin in Maryland by the end of the month, as a Rockville company conducts research on behalf of Johnson & Johnson. Optimal Research LLC said Tuesday it was recruiting volunteers for a clinical trial and planned to make its first vaccinations within the next couple of weeks. The experiment will study the safety and tolerability of what is known as a prime-boost vaccine regimen, in which a first dose primes the immune system and a second strengthens immunity for a longer term. The trial follows others taking place at the University of Maryland School of Medicine in Baltimore, at the National Institutes of Health in Bethesda and at Walter Reed Army...