In the U.S., you just go down to the drug store. "And so we started gathering scientists and started learning about population, learning about vaccines, learning about what had worked and what had failed, and that's really when we got going, was in late 1998, 1999.
Y entonces empezamos a reunir científicos y a aprender sobre población, sobre vacunas, a averiguar qué había funcionado y qué había fallado, y ahí es en verdad cuando empezamos, a finales de 1998, 1999.