El Paso, TX, April 25, 2011 (PAHO/WHO) — Forty-five countries and territories of the Western Hemisphere will reach out to some 41 million children and adults with vaccines against preventable diseases during the 9th annual Vaccination Week in the Americas (VWA), April 23 to 30. This year’s campaign—with the slogan “Vaccinate your family, protect your community” —encourages vaccination not just of children but of entire families and highlights the importance of individual action to protect collective health.