100 Vaccination Centers Get a Boost from AmeriCorps National service agency deploys disaster response teams nationwide to increase vaccine access in underserved communities, reduce wait times, and help get more people to vaccination sites April 08, 2021 16:17 ET | Source: AmeriCorps AmeriCorps Washington District of Columbia, UNITED STATES WASHINGTON, D.C., April 08, 2021 (GLOBE NEWSWIRE) -- As part of President Biden’s commitment to safely vaccinate 200 million Americans before the end of April, the federal agency for national service, AmeriCorps, has deployed members to more than 99 vaccination centers and mobile clinics across the country to augment efforts by local, state, and federal agencies to get shots in arms of eligible adults.